73511423 has 2 divisors, whose sum is σ = 73511424. Its totient is φ = 73511422.

The previous prime is 73511413. The next prime is 73511429. The reversal of 73511423 is 32411537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73511423 - 2⁴ = 73511407 is a prime.

It is a super-2 number, since 2×73511423² = 10807858622969858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73511392 and 73511401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73511429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36755711 + 36755712.

It is an arithmetic number, because the mean of its divisors is an integer number (36755712).

Almost surely, 2^73511423 is an apocalyptic number.

73511423 is a deficient number, since it is larger than the sum of its proper divisors (1).

73511423 is an equidigital number, since it uses as much as digits as its factorization.

73511423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 73511423 is about 8573.8802767475. The cubic root of 73511423 is about 418.9076356691.

The spelling of 73511423 in words is "seventy-three million, five hundred eleven thousand, four hundred twenty-three".