58139723 has 2 divisors, whose sum is σ = 58139724. Its totient is φ = 58139722.

The previous prime is 58139717. The next prime is 58139749. The reversal of 58139723 is 32793185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 58139723 - 2⁴ = 58139707 is a prime.

It is not a weakly prime, because it can be changed into another prime (58139713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29069861 + 29069862.

It is an arithmetic number, because the mean of its divisors is an integer number (29069862).

Almost surely, 2^58139723 is an apocalyptic number.

58139723 is a deficient number, since it is larger than the sum of its proper divisors (1).

58139723 is an equidigital number, since it uses as much as digits as its factorization.

58139723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 58139723 is about 7624.9408522296. The cubic root of 58139723 is about 387.3982484140.

It can be divided in two parts, 581 and 39723, that added together give a palindrome (40304).

The spelling of 58139723 in words is "fifty-eight million, one hundred thirty-nine thousand, seven hundred twenty-three".