253345023 has 32 divisors (see below), whose sum is σ = 397555200. Its totient is φ = 159115968.

The previous prime is 253345013. The next prime is 253345049. The reversal of 253345023 is 320543352.

It is not a de Polignac number, because 253345023 - 2⁵ = 253344991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253345013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38563 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (12423600).

Almost surely, 2^253345023 is an apocalyptic number.

253345023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253345023 is a deficient number, since it is larger than the sum of its proper divisors (144210177).

253345023 is a wasteful number, since it uses less digits than its factorization.

253345023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 253345023 is about 15916.8157305411. The cubic root of 253345023 is about 632.7577294380.

Adding to 253345023 its reverse (320543352), we get a palindrome (573888375).

The spelling of 253345023 in words is "two hundred fifty-three million, three hundred forty-five thousand, twenty-three".