23120430402 has 16 divisors (see below), whose sum is σ = 48674590560. Its totient is φ = 7301188512.

The previous prime is 23120430371. The next prime is 23120430439. The reversal of 23120430402 is 20403402132.

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, 101405283 + ... + 101405510.

It is an arithmetic number, because the mean of its divisors is an integer number (3042161910).

Almost surely, 2^23120430402 is an apocalyptic number.

23120430402 is an abundant number, since it is smaller than the sum of its proper divisors (25554160158).

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

23120430402 is a wasteful number, since it uses less digits than its factorization.

23120430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202810817.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23120430402 its reverse (20403402132), we get a palindrome (43523832534).

The spelling of 23120430402 in words is "twenty-three billion, one hundred twenty million, four hundred thirty thousand, four hundred two".