157630023007 has 2 divisors, whose sum is σ = 157630023008. Its totient is φ = 157630023006.

The previous prime is 157630022983. The next prime is 157630023017. The reversal of 157630023007 is 700320036751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157630023007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157630023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78815011503 + 78815011504.

It is an arithmetic number, because the mean of its divisors is an integer number (78815011504).

Almost surely, 2^157630023007 is an apocalyptic number.

157630023007 is a deficient number, since it is larger than the sum of its proper divisors (1).

157630023007 is an equidigital number, since it uses as much as digits as its factorization.

157630023007 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 34.

Adding to 157630023007 its reverse (700320036751), we get a palindrome (857950059758).

The spelling of 157630023007 in words is "one hundred fifty-seven billion, six hundred thirty million, twenty-three thousand, seven".