1023572255 has 16 divisors (see below), whose sum is σ = 1304989920. Its totient is φ = 769249152.

The previous prime is 1023572213. The next prime is 1023572273. The reversal of 1023572255 is 5522753201.

It is a cyclic number.

It is not a de Polignac number, because 1023572255 - 2¹² = 1023568159 is a prime.

It is a super-2 number, since 2×1023572255² = 2095400322411570050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90029 + ... + 100758.

It is an arithmetic number, because the mean of its divisors is an integer number (81561870).

Almost surely, 2^1023572255 is an apocalyptic number.

1023572255 is a deficient number, since it is larger than the sum of its proper divisors (281417665).

1023572255 is a wasteful number, since it uses less digits than its factorization.

1023572255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190858.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 1023572255 is about 31993.3157862701. The cubic root of 1023572255 is about 1007.7964753360.

The spelling of 1023572255 in words is "one billion, twenty-three million, five hundred seventy-two thousand, two hundred fifty-five".