23855154372 has 192 divisors, whose sum is σ = 72382464000. Its totient is φ = 6652589184.

The previous prime is 23855154371. The next prime is 23855154391. The reversal of 23855154372 is 27345155832.

23855154372 is a `hidden beast` number, since 2 + 38 + 5 + 5 + 1 + 543 + 72 = 666.

It is a super-2 number, since 2×23855154372² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23855154371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18085129 + ... + 18086447.

It is an arithmetic number, because the mean of its divisors is an integer number (376992000).

Almost surely, 2^23855154372 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 23855154372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36191232000).

23855154372 is an abundant number, since it is smaller than the sum of its proper divisors (48527309628).

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

23855154372 is a wasteful number, since it uses less digits than its factorization.

23855154372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1887 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 23855154372 in words is "twenty-three billion, eight hundred fifty-five million, one hundred fifty-four thousand, three hundred seventy-two".