23103397019137 has 2 divisors, whose sum is σ = 23103397019138. Its totient is φ = 23103397019136.

The previous prime is 23103397019113. The next prime is 23103397019147. The reversal of 23103397019137 is 73191079330132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20940288515136 + 2163108504001 = 4576056^2 + 1470751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23103397019137 is a prime.

It is not a weakly prime, because it can be changed into another prime (23103397019147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551698509568 + 11551698509569.

It is an arithmetic number, because the mean of its divisors is an integer number (11551698509569).

Almost surely, 2^{23103397019137} is an apocalyptic number.

It is an amenable number.

23103397019137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103397019137 is an equidigital number, since it uses as much as digits as its factorization.

23103397019137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 642978, while the sum is 49.

The spelling of 23103397019137 in words is "twenty-three trillion, one hundred three billion, three hundred ninety-seven million, nineteen thousand, one hundred thirty-seven".