157751881423 has 8 divisors (see below), whose sum is σ = 161122371840. Its totient is φ = 154381977240.

The previous prime is 157751881411. The next prime is 157751881453. The reversal of 157751881423 is 324188157751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157751881423 - 2³³ = 149161946831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157751881453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420568 + ... + 701698.

It is an arithmetic number, because the mean of its divisors is an integer number (20140296480).

Almost surely, 2^157751881423 is an apocalyptic number.

157751881423 is a deficient number, since it is larger than the sum of its proper divisors (3370490417).

157751881423 is a wasteful number, since it uses less digits than its factorization.

157751881423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293117.

The product of its digits is 1881600, while the sum is 52.

The spelling of 157751881423 in words is "one hundred fifty-seven billion, seven hundred fifty-one million, eight hundred eighty-one thousand, four hundred twenty-three".