23211036144 has 60 divisors (see below), whose sum is σ = 65038116312. Its totient is φ = 7727548800.

The previous prime is 23211036143. The next prime is 23211036161. The reversal of 23211036144 is 44163011232.

It is a happy number.

23211036144 is a `hidden beast` number, since 2 + 32 + 1 + 10 + 3 + 614 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211036143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20059 + ... + 216389.

Almost surely, 2^23211036144 is an apocalyptic number.

23211036144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23211036144 is an abundant number, since it is smaller than the sum of its proper divisors (41827080168).

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

23211036144 is a wasteful number, since it uses less digits than its factorization.

23211036144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197166 (or 197157 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23211036144 its reverse (44163011232), we get a palindrome (67374047376).

The spelling of 23211036144 in words is "twenty-three billion, two hundred eleven million, thirty-six thousand, one hundred forty-four".