253923155 has 8 divisors (see below), whose sum is σ = 304802352. Its totient is φ = 203075488.

The previous prime is 253923133. The next prime is 253923157. The reversal of 253923155 is 551329352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253923155 - 2⁸ = 253922899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253923157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16964 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (38100294).

Almost surely, 2^253923155 is an apocalyptic number.

253923155 is a deficient number, since it is larger than the sum of its proper divisors (50879197).

253923155 is a wasteful number, since it uses less digits than its factorization.

253923155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15765.

The product of its digits is 40500, while the sum is 35.

The square root of 253923155 is about 15934.9664260707. The cubic root of 253923155 is about 633.2386803760.

The spelling of 253923155 in words is "two hundred fifty-three million, nine hundred twenty-three thousand, one hundred fifty-five".