157630023017 has 2 divisors, whose sum is σ = 157630023018. Its totient is φ = 157630023016.

The previous prime is 157630023007. The next prime is 157630023097. The reversal of 157630023017 is 710320036751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136760175721 + 20869847296 = 369811^2 + 144464^2 .

It is a cyclic number.

It is not a de Polignac number, because 157630023017 - 2⁸ = 157630022761 is a prime.

It is not a weakly prime, because it can be changed into another prime (157630023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78815011508 + 78815011509.

It is an arithmetic number, because the mean of its divisors is an integer number (78815011509).

Almost surely, 2^157630023017 is an apocalyptic number.

It is an amenable number.

157630023017 is a deficient number, since it is larger than the sum of its proper divisors (1).

157630023017 is an equidigital number, since it uses as much as digits as its factorization.

157630023017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

Adding to 157630023017 its reverse (710320036751), we get a palindrome (867950059768).

The spelling of 157630023017 in words is "one hundred fifty-seven billion, six hundred thirty million, twenty-three thousand, seventeen".