23129950902397 has 4 divisors (see below), whose sum is σ = 23129963363196. Its totient is φ = 23129938441600.

The previous prime is 23129950902361. The next prime is 23129950902403. The reversal of 23129950902397 is 79320905992132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3269077347481 + 19860873554916 = 1808059^2 + 4456554^2 .

It is a cyclic number.

It is not a de Polignac number, because 23129950902397 - 2¹⁹ = 23129950378109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129950902337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825998 + ... + 7365199.

It is an arithmetic number, because the mean of its divisors is an integer number (5782490840799).

Almost surely, 2^{23129950902397} is an apocalyptic number.

It is an amenable number.

23129950902397 is a deficient number, since it is larger than the sum of its proper divisors (12460799).

23129950902397 is a wasteful number, since it uses less digits than its factorization.

23129950902397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12460798.

The product of its (nonzero) digits is 16533720, while the sum is 61.

The spelling of 23129950902397 in words is "twenty-three trillion, one hundred twenty-nine billion, nine hundred fifty million, nine hundred two thousand, three hundred ninety-seven".