1002772923 has 4 divisors (see below), whose sum is σ = 1337030568. Its totient is φ = 668515280.

The previous prime is 1002772921. The next prime is 1002772949. The reversal of 1002772923 is 3292772001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3292772001 = 3 ⋅1097590667.

It is a cyclic number.

It is not a de Polignac number, because 1002772923 - 2¹ = 1002772921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002772921) 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, 167128818 + ... + 167128823.

It is an arithmetic number, because the mean of its divisors is an integer number (334257642).

Almost surely, 2^1002772923 is an apocalyptic number.

1002772923 is a deficient number, since it is larger than the sum of its proper divisors (334257645).

1002772923 is an equidigital number, since it uses as much as digits as its factorization.

1002772923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334257644.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 1002772923 is about 31666.5900121879. The cubic root of 1002772923 is about 1000.9234546357.

The spelling of 1002772923 in words is "one billion, two million, seven hundred seventy-two thousand, nine hundred twenty-three".