2257653023 has 4 divisors (see below), whose sum is σ = 2390456160. Its totient is φ = 2124849888.

The previous prime is 2257653019. The next prime is 2257653053. The reversal of 2257653023 is 3203567522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257653023 - 2² = 2257653019 is a prime.

It is a super-2 number, since 2×2257653023² = 10193994344522077058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257653053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66401543 + ... + 66401576.

It is an arithmetic number, because the mean of its divisors is an integer number (597614040).

Almost surely, 2^2257653023 is an apocalyptic number.

2257653023 is a deficient number, since it is larger than the sum of its proper divisors (132803137).

2257653023 is a wasteful number, since it uses less digits than its factorization.

2257653023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132803136.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 2257653023 is about 47514.7663679408. The cubic root of 2257653023 is about 1311.8546894934.

The spelling of 2257653023 in words is "two billion, two hundred fifty-seven million, six hundred fifty-three thousand, twenty-three".