23231043231402 has 16 divisors (see below), whose sum is σ = 47595308084352. Its totient is φ = 7554810806880.

The previous prime is 23231043231371. The next prime is 23231043231439. The reversal of 23231043231402 is 20413234013232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23231043231402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47217567298 + ... + 47217567789.

It is an arithmetic number, because the mean of its divisors is an integer number (2974706755272).

Almost surely, 2^{23231043231402} is an apocalyptic number.

23231043231402 is an abundant number, since it is smaller than the sum of its proper divisors (24364264852950).

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

23231043231402 is a wasteful number, since it uses less digits than its factorization.

23231043231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94435135133.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 23231043231402 its reverse (20413234013232), we get a palindrome (43644277244634).

The spelling of 23231043231402 in words is "twenty-three trillion, two hundred thirty-one billion, forty-three million, two hundred thirty-one thousand, four hundred two".