23121354 has 8 divisors (see below), whose sum is σ = 46242720. Its totient is φ = 7707116.

The previous prime is 23121349. The next prime is 23121359. The reversal of 23121354 is 45312132.

It is an interprime number because it is at equal distance from previous prime (23121349) and next prime (23121359).

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

23121354 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 23121354.

It is not an unprimeable number, because it can be changed into a prime (23121359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926774 + ... + 1926785.

It is an arithmetic number, because the mean of its divisors is an integer number (5780340).

Almost surely, 2^23121354 is an apocalyptic number.

23121354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23121354 is a wasteful number, since it uses less digits than its factorization.

23121354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853564.

The product of its digits is 720, while the sum is 21.

The square root of 23121354 is about 4808.4669074457. The cubic root of 23121354 is about 284.8859870211.

Adding to 23121354 its reverse (45312132), we get a palindrome (68433486).

The spelling of 23121354 in words is "twenty-three million, one hundred twenty-one thousand, three hundred fifty-four".