23073739 has 6 divisors (see below), whose sum is σ = 24985356. Its totient is φ = 21298680.

The previous prime is 23073737. The next prime is 23073769. The reversal of 23073739 is 93737032.

It is not a de Polignac number, because 23073739 - 2¹ = 23073737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23073731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68097 + ... + 68434.

It is an arithmetic number, because the mean of its divisors is an integer number (4164226).

Almost surely, 2^23073739 is an apocalyptic number.

23073739 is a deficient number, since it is larger than the sum of its proper divisors (1911617).

23073739 is a wasteful number, since it uses less digits than its factorization.

23073739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136557 (or 136544 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 23073739 is about 4803.5131934866. The cubic root of 23073739 is about 284.6902924764.

The spelling of 23073739 in words is "twenty-three million, seventy-three thousand, seven hundred thirty-nine".