23103040157 has 2 divisors, whose sum is σ = 23103040158. Its totient is φ = 23103040156.

The previous prime is 23103040061. The next prime is 23103040217. The reversal of 23103040157 is 75104030132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21429739321 + 1673300836 = 146389^2 + 40906^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103040157 - 2²⁰ = 23101991581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23103040057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551520078 + 11551520079.

It is an arithmetic number, because the mean of its divisors is an integer number (11551520079).

Almost surely, 2^23103040157 is an apocalyptic number.

It is an amenable number.

23103040157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103040157 is an equidigital number, since it uses as much as digits as its factorization.

23103040157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 23103040157 its reverse (75104030132), we get a palindrome (98207070289).

The spelling of 23103040157 in words is "twenty-three billion, one hundred three million, forty thousand, one hundred fifty-seven".