23253533154 has 48 divisors (see below), whose sum is σ = 53124271200. Its totient is φ = 7330773888.

The previous prime is 23253533143. The next prime is 23253533161. The reversal of 23253533154 is 45133535232.

23253533154 is a `hidden beast` number, since 23 + 2 + 53 + 533 + 1 + 54 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145477 + ... + 260135.

It is an arithmetic number, because the mean of its divisors is an integer number (1106755650).

Almost surely, 2^23253533154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23253533154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26562135600).

23253533154 is an abundant number, since it is smaller than the sum of its proper divisors (29870738046).

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

23253533154 is a wasteful number, since it uses less digits than its factorization.

23253533154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115279 (or 115276 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The spelling of 23253533154 in words is "twenty-three billion, two hundred fifty-three million, five hundred thirty-three thousand, one hundred fifty-four".