23311312404 has 12 divisors (see below), whose sum is σ = 54393062304. Its totient is φ = 7770437464.

The previous prime is 23311312393. The next prime is 23311312421. The reversal of 23311312404 is 40421311332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971304672 + ... + 971304695.

It is an arithmetic number, because the mean of its divisors is an integer number (4532755192).

Almost surely, 2^23311312404 is an apocalyptic number.

It is an amenable number.

23311312404 is an abundant number, since it is smaller than the sum of its proper divisors (31081749900).

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

23311312404 is a wasteful number, since it uses less digits than its factorization.

23311312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942609374 (or 1942609372 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23311312404 its reverse (40421311332), we get a palindrome (63732623736).

The spelling of 23311312404 in words is "twenty-three billion, three hundred eleven million, three hundred twelve thousand, four hundred four".