45920023 has 2 divisors, whose sum is σ = 45920024. Its totient is φ = 45920022.

The previous prime is 45920011. The next prime is 45920027. The reversal of 45920023 is 32002954.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45920023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45920023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45920027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22960011 + 22960012.

It is an arithmetic number, because the mean of its divisors is an integer number (22960012).

Almost surely, 2^45920023 is an apocalyptic number.

45920023 is a deficient number, since it is larger than the sum of its proper divisors (1).

45920023 is an equidigital number, since it uses as much as digits as its factorization.

45920023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 45920023 is about 6776.4314354976. The cubic root of 45920023 is about 358.0970134386.

Adding to 45920023 its reverse (32002954), we get a palindrome (77922977).

The spelling of 45920023 in words is "forty-five million, nine hundred twenty thousand, twenty-three".