235133115172 has 24 divisors (see below), whose sum is σ = 435718657080. Its totient is φ = 110643048960.

The previous prime is 235133115167. The next prime is 235133115193. The reversal of 235133115172 is 271511331532.

It can be written as a sum of positive squares in 4 ways, for example, as 93534435556 + 141598679616 = 305834^2 + 376296^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909354 + ... + 1138942.

It is an arithmetic number, because the mean of its divisors is an integer number (18154944045).

Almost surely, 2^235133115172 is an apocalyptic number.

It is an amenable number.

235133115172 is a deficient number, since it is larger than the sum of its proper divisors (200585541908).

235133115172 is a wasteful number, since it uses less digits than its factorization.

235133115172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244671 (or 244669 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The spelling of 235133115172 in words is "two hundred thirty-five billion, one hundred thirty-three million, one hundred fifteen thousand, one hundred seventy-two".