23122310402 has 16 divisors (see below), whose sum is σ = 36735909912. Its totient is φ = 10877460480.

The previous prime is 23122310369. The next prime is 23122310417. The reversal of 23122310402 is 20401322132.

It can be written as a sum of positive squares in 4 ways, for example, as 22106039761 + 1016270641 = 148681^2 + 31879^2 .

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, 8423 + ... + 215210.

Almost surely, 2^23122310402 is an apocalyptic number.

23122310402 is a deficient number, since it is larger than the sum of its proper divisors (13613599510).

23122310402 is a wasteful number, since it uses less digits than its factorization.

23122310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226693.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23122310402 its reverse (20401322132), we get a palindrome (43523632534).

The spelling of 23122310402 in words is "twenty-three billion, one hundred twenty-two million, three hundred ten thousand, four hundred two".