157447435823 has 2 divisors, whose sum is σ = 157447435824. Its totient is φ = 157447435822.

The previous prime is 157447435819. The next prime is 157447435837. The reversal of 157447435823 is 328534744751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157447435823 - 2² = 157447435819 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157447438823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78723717911 + 78723717912.

It is an arithmetic number, because the mean of its divisors is an integer number (78723717912).

Almost surely, 2^157447435823 is an apocalyptic number.

157447435823 is a deficient number, since it is larger than the sum of its proper divisors (1).

157447435823 is an equidigital number, since it uses as much as digits as its factorization.

157447435823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 53.

The spelling of 157447435823 in words is "one hundred fifty-seven billion, four hundred forty-seven million, four hundred thirty-five thousand, eight hundred twenty-three".