1023115552 has 24 divisors (see below), whose sum is σ = 2057118336. Its totient is φ = 500672832.

The previous prime is 1023115549. The next prime is 1023115567. The reversal of 1023115552 is 2555113201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338628 + ... + 341635.

It is an arithmetic number, because the mean of its divisors is an integer number (85713264).

Almost surely, 2^1023115552 is an apocalyptic number.

It is an amenable number.

1023115552 is an abundant number, since it is smaller than the sum of its proper divisors (1034002784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023115552 is an equidigital number, since it uses as much as digits as its factorization.

1023115552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680320 (or 680312 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1023115552 is about 31986.1775146703. The cubic root of 1023115552 is about 1007.6465650121.

Adding to 1023115552 its reverse (2555113201), we get a palindrome (3578228753).

The spelling of 1023115552 in words is "one billion, twenty-three million, one hundred fifteen thousand, five hundred fifty-two".