23151213473 has 2 divisors, whose sum is σ = 23151213474. Its totient is φ = 23151213472.

The previous prime is 23151213457. The next prime is 23151213541. The reversal of 23151213473 is 37431215132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22413982369 + 737231104 = 149713^2 + 27152^2 .

It is a cyclic number.

It is not a de Polignac number, because 23151213473 - 2⁴ = 23151213457 is a prime.

It is not a weakly prime, because it can be changed into another prime (23151213773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575606736 + 11575606737.

It is an arithmetic number, because the mean of its divisors is an integer number (11575606737).

Almost surely, 2^23151213473 is an apocalyptic number.

It is an amenable number.

23151213473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23151213473 is an equidigital number, since it uses as much as digits as its factorization.

23151213473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The spelling of 23151213473 in words is "twenty-three billion, one hundred fifty-one million, two hundred thirteen thousand, four hundred seventy-three".