802106123 has 16 divisors (see below), whose sum is σ = 989204160. Its totient is φ = 633350016.

The previous prime is 802106101. The next prime is 802106131. The reversal of 802106123 is 321601208.

It is not a de Polignac number, because 802106123 - 2²⁸ = 533670667 is a prime.

It is a super-2 number, since 2×802106123² = 1286748465108182258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (802106143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37661 + ... + 54977.

It is an arithmetic number, because the mean of its divisors is an integer number (61825260).

Almost surely, 2^802106123 is an apocalyptic number.

802106123 is a deficient number, since it is larger than the sum of its proper divisors (187098037).

802106123 is a wasteful number, since it uses less digits than its factorization.

802106123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 802106123 is about 28321.4781217365. The cubic root of 802106123 is about 929.1316992889.

The spelling of 802106123 in words is "eight hundred two million, one hundred six thousand, one hundred twenty-three".