900102023 has 2 divisors, whose sum is σ = 900102024. Its totient is φ = 900102022.

The previous prime is 900102017. The next prime is 900102041. The reversal of 900102023 is 320201009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900102023 - 2²⁶ = 832993159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900101992 and 900102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900102323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450051011 + 450051012.

It is an arithmetic number, because the mean of its divisors is an integer number (450051012).

Almost surely, 2^900102023 is an apocalyptic number.

900102023 is a deficient number, since it is larger than the sum of its proper divisors (1).

900102023 is an equidigital number, since it uses as much as digits as its factorization.

900102023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 900102023 is about 30001.7003351477. The cubic root of 900102023 is about 965.5258654951.

The spelling of 900102023 in words is "nine hundred million, one hundred two thousand, twenty-three".