102010923 has 24 divisors (see below), whose sum is σ = 170145248. Its totient is φ = 57687552.

The previous prime is 102010873. The next prime is 102010933. The reversal of 102010923 is 329010201.

It is a happy number.

It is not a de Polignac number, because 102010923 - 2⁶ = 102010859 is a prime.

It is a super-2 number, since 2×102010923² = 20812456822623858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102010896 and 102010905.

It is not an unprimeable number, because it can be changed into a prime (102010933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2236 + ... + 14457.

Almost surely, 2^102010923 is an apocalyptic number.

102010923 is a deficient number, since it is larger than the sum of its proper divisors (68134325).

102010923 is a wasteful number, since it uses less digits than its factorization.

102010923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803 (or 16800 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 102010923 is about 10100.0456929659. The cubic root of 102010923 is about 467.2495506215.

The spelling of 102010923 in words is "one hundred two million, ten thousand, nine hundred twenty-three".