23145302402 has 16 divisors (see below), whose sum is σ = 34822327680. Its totient is φ = 11537902992.

The previous prime is 23145302357. The next prime is 23145302441. The reversal of 23145302402 is 20420354132.

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, 1155908 + ... + 1175760.

It is an arithmetic number, because the mean of its divisors is an integer number (2176395480).

Almost surely, 2^23145302402 is an apocalyptic number.

23145302402 is a deficient number, since it is larger than the sum of its proper divisors (11677025278).

23145302402 is a wasteful number, since it uses less digits than its factorization.

23145302402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23145302402 its reverse (20420354132), we get a palindrome (43565656534).

The spelling of 23145302402 in words is "twenty-three billion, one hundred forty-five million, three hundred two thousand, four hundred two".