157936435723 has 8 divisors (see below), whose sum is σ = 177852174336. Its totient is φ = 138947010600.

The previous prime is 157936435703. The next prime is 157936435747. The reversal of 157936435723 is 327534639751.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 157936435723 - 2⁵ = 157936435691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157936435703) 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, 231578011 + ... + 231578692.

It is an arithmetic number, because the mean of its divisors is an integer number (22231521792).

Almost surely, 2^157936435723 is an apocalyptic number.

157936435723 is a deficient number, since it is larger than the sum of its proper divisors (19915738613).

157936435723 is a wasteful number, since it uses less digits than its factorization.

157936435723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463156745.

The product of its digits is 14288400, while the sum is 55.

The spelling of 157936435723 in words is "one hundred fifty-seven billion, nine hundred thirty-six million, four hundred thirty-five thousand, seven hundred twenty-three".