1023088557 has 4 divisors (see below), whose sum is σ = 1364118080. Its totient is φ = 682059036.

The previous prime is 1023088537. The next prime is 1023088559. The reversal of 1023088557 is 7558803201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1023088557 - 2⁸ = 1023088301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023088559) 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, 170514757 + ... + 170514762.

It is an arithmetic number, because the mean of its divisors is an integer number (341029520).

Almost surely, 2^1023088557 is an apocalyptic number.

It is an amenable number.

1023088557 is a deficient number, since it is larger than the sum of its proper divisors (341029523).

1023088557 is an equidigital number, since it uses as much as digits as its factorization.

1023088557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341029522.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1023088557 is about 31985.7555327368. The cubic root of 1023088557 is about 1007.6377026510.

The spelling of 1023088557 in words is "one billion, twenty-three million, eighty-eight thousand, five hundred fifty-seven".