23140030 has 8 divisors (see below), whose sum is σ = 41652072. Its totient is φ = 9256008.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140030 is 3004132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156992 + ... + 1157011.

It is an arithmetic number, because the mean of its divisors is an integer number (5206509).

Almost surely, 2^23140030 is an apocalyptic number.

23140030 is a deficient number, since it is larger than the sum of its proper divisors (18512042).

23140030 is a wasteful number, since it uses less digits than its factorization.

23140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314010.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23140030 is about 4810.4085065616. The cubic root of 23140030 is about 284.9626708059.

Adding to 23140030 its reverse (3004132), we get a palindrome (26144162).

The spelling of 23140030 in words is "twenty-three million, one hundred forty thousand, thirty".