45402923 has 2 divisors, whose sum is σ = 45402924. Its totient is φ = 45402922.

The previous prime is 45402911. The next prime is 45402953. The reversal of 45402923 is 32920454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45402923 - 2¹⁶ = 45337387 is a prime.

It is a super-2 number, since 2×45402923² = 4122850833887858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45402953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701461 + 22701462.

It is an arithmetic number, because the mean of its divisors is an integer number (22701462).

Almost surely, 2^45402923 is an apocalyptic number.

45402923 is a deficient number, since it is larger than the sum of its proper divisors (1).

45402923 is an equidigital number, since it uses as much as digits as its factorization.

45402923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45402923 is about 6738.1691133423. The cubic root of 45402923 is about 356.7477733076.

The spelling of 45402923 in words is "forty-five million, four hundred two thousand, nine hundred twenty-three".