23013421252 has 6 divisors (see below), whose sum is σ = 40273487198. Its totient is φ = 11506710624.

The previous prime is 23013421241. The next prime is 23013421253. The reversal of 23013421252 is 25212431032.

It can be written as a sum of positive squares in only one way, i.e., 17198748736 + 5814672516 = 131144^2 + 76254^2 .

It is not an unprimeable number, because it can be changed into a prime (23013421253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2876677653 + ... + 2876677660.

Almost surely, 2^23013421252 is an apocalyptic number.

It is an amenable number.

23013421252 is a deficient number, since it is larger than the sum of its proper divisors (17260065946).

23013421252 is a wasteful number, since it uses less digits than its factorization.

23013421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753355317 (or 5753355315 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23013421252 its reverse (25212431032), we get a palindrome (48225852284).

The spelling of 23013421252 in words is "twenty-three billion, thirteen million, four hundred twenty-one thousand, two hundred fifty-two".