74157523823 has 2 divisors, whose sum is σ = 74157523824. Its totient is φ = 74157523822.

The previous prime is 74157523799. The next prime is 74157523877. The reversal of 74157523823 is 32832575147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74157523823 - 2³² = 69862556527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74157523883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37078761911 + 37078761912.

It is an arithmetic number, because the mean of its divisors is an integer number (37078761912).

Almost surely, 2^74157523823 is an apocalyptic number.

74157523823 is a deficient number, since it is larger than the sum of its proper divisors (1).

74157523823 is an equidigital number, since it uses as much as digits as its factorization.

74157523823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 47.

The spelling of 74157523823 in words is "seventy-four billion, one hundred fifty-seven million, five hundred twenty-three thousand, eight hundred twenty-three".