73920023 has 2 divisors, whose sum is σ = 73920024. Its totient is φ = 73920022.

The previous prime is 73919941. The next prime is 73920031. The reversal of 73920023 is 32002937.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73920023 - 2¹⁸ = 73657879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73919974 and 73920001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73920083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36960011 + 36960012.

It is an arithmetic number, because the mean of its divisors is an integer number (36960012).

Almost surely, 2^73920023 is an apocalyptic number.

73920023 is a deficient number, since it is larger than the sum of its proper divisors (1).

73920023 is an equidigital number, since it uses as much as digits as its factorization.

73920023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 73920023 is about 8597.6754416528. The cubic root of 73920023 is about 419.6823429526.

The spelling of 73920023 in words is "seventy-three million, nine hundred twenty thousand, twenty-three".