23132111004 has 96 divisors (see below), whose sum is σ = 63704370240. Its totient is φ = 7233767424.

The previous prime is 23132110973. The next prime is 23132111017. The reversal of 23132111004 is 40011123132.

23132111004 is a `hidden beast` number, since 231 + 321 + 110 + 0 + 4 = 666.

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 31 ways as a sum of consecutive naturals, for example, 554542 + ... + 594794.

It is an arithmetic number, because the mean of its divisors is an integer number (663587190).

Almost surely, 2^23132111004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132111004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31852185120).

23132111004 is an abundant number, since it is smaller than the sum of its proper divisors (40572259236).

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

23132111004 is a wasteful number, since it uses less digits than its factorization.

23132111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40596 (or 40588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23132111004 its reverse (40011123132), we get a palindrome (63143234136).

The spelling of 23132111004 in words is "twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, four".