23311011132 has 18 divisors (see below), whose sum is σ = 58925056008. Its totient is φ = 7770337032.

The previous prime is 23311011077. The next prime is 23311011149. The reversal of 23311011132 is 23111011332.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323764008 + ... + 323764079.

Almost surely, 2^23311011132 is an apocalyptic number.

It is an amenable number.

23311011132 is an abundant number, since it is smaller than the sum of its proper divisors (35614044876).

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

23311011132 is a wasteful number, since it uses less digits than its factorization.

23311011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647528097 (or 647528092 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23311011132 its reverse (23111011332), we get a palindrome (46422022464).

The spelling of 23311011132 in words is "twenty-three billion, three hundred eleven million, eleven thousand, one hundred thirty-two".