32123372544 has 264 divisors, whose sum is σ = 96361624320. Its totient is φ = 10296115200.

The previous prime is 32123372543. The next prime is 32123372549. The reversal of 32123372544 is 44527332123.

32123372544 is a `hidden beast` number, since 3 + 2 + 12 + 33 + 72 + 544 = 666.

It is a super-2 number, since 2×32123372544² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (120960) is a multiple of the sum of its prime divisors (756).

It is a junction number, because it is equal to n+sod(n) for n = 32123372499 and 32123372508.

It is not an unprimeable number, because it can be changed into a prime (32123372543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65424139 + ... + 65424629.

Almost surely, 2^32123372544 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 32123372544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48180812160).

32123372544 is an abundant number, since it is smaller than the sum of its proper divisors (64238251776).

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

32123372544 is a wasteful number, since it uses less digits than its factorization.

32123372544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 756 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The spelling of 32123372544 in words is "thirty-two billion, one hundred twenty-three million, three hundred seventy-two thousand, five hundred forty-four".