1023772868 has 12 divisors (see below), whose sum is σ = 1795881360. Its totient is φ = 510663912.

The previous prime is 1023772817. The next prime is 1023772873. The reversal of 1023772868 is 8682773201.

It is a happy number.

It is a super-2 number, since 2×1023772868² = 2096221770505890848, which contains 22 as substring.

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, 303746 + ... + 307097.

It is an arithmetic number, because the mean of its divisors is an integer number (149656780).

Almost surely, 2^1023772868 is an apocalyptic number.

It is an amenable number.

1023772868 is a deficient number, since it is larger than the sum of its proper divisors (772108492).

1023772868 is a wasteful number, since it uses less digits than its factorization.

1023772868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611266 (or 611264 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1023772868 is about 31996.4508656820. The cubic root of 1023772868 is about 1007.8623113876.

The spelling of 1023772868 in words is "one billion, twenty-three million, seven hundred seventy-two thousand, eight hundred sixty-eight".