23211404132 has 48 divisors (see below), whose sum is σ = 50003853312. Its totient is φ = 9208283040.

The previous prime is 23211404107. The next prime is 23211404137. The reversal of 23211404132 is 23140411232.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 23211404098 and 23211404107.

It is not an unprimeable number, because it can be changed into a prime (23211404137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561368 + ... + 601295.

It is an arithmetic number, because the mean of its divisors is an integer number (1041746944).

Almost surely, 2^23211404132 is an apocalyptic number.

It is an amenable number.

23211404132 is an abundant number, since it is smaller than the sum of its proper divisors (26792449180).

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

23211404132 is a wasteful number, since it uses less digits than its factorization.

23211404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162728 (or 1162726 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23211404132 its reverse (23140411232), we get a palindrome (46351815364).

The spelling of 23211404132 in words is "twenty-three billion, two hundred eleven million, four hundred four thousand, one hundred thirty-two".