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23142001 = 47677349
BaseRepresentation
bin101100001000…
…1111001110001
31121112201212011
41120101321301
521411021001
62144002521
7400463251
oct130217161
947481764
1023142001
1112076a23
127900441
134a435bc
143105961
152071d51
hex1611e71

23142001 has 8 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 22308528.

The previous prime is 23141959. The next prime is 23142011. The reversal of 23142001 is 10024132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23142001 - 27 = 23141873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 223142001 is an apocalyptic number.

It is an amenable number.

23142001 is a deficient number, since it is larger than the sum of its proper divisors (848399).

23142001 is an equidigital number, since it uses as much as digits as its factorization.

23142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23142001 is about 4810.6133704550. The cubic root of 23142001 is about 284.9707613382.

Adding to 23142001 its reverse (10024132), we get a palindrome (33166133).

The spelling of 23142001 in words is "twenty-three million, one hundred forty-two thousand, one".

Divisors: 1 47 67 3149 7349 345403 492383 23142001