23123130402 has 8 divisors (see below), whose sum is σ = 46246260816. Its totient is φ = 7707710132.

The previous prime is 23123130347. The next prime is 23123130409. The reversal of 23123130402 is 20403132132.

It is a sphenic number, since it is the product of 3 distinct primes.

23123130402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (23123130409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926927528 + ... + 1926927539.

It is an arithmetic number, because the mean of its divisors is an integer number (5780782602).

Almost surely, 2^23123130402 is an apocalyptic number.

23123130402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23123130402 is a wasteful number, since it uses less digits than its factorization.

23123130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853855072.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23123130402 its reverse (20403132132), we get a palindrome (43526262534).

The spelling of 23123130402 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirty thousand, four hundred two".