23129950902398 has 4 divisors (see below), whose sum is σ = 34694926353600. Its totient is φ = 11564975451198.

The previous prime is 23129950902361. The next prime is 23129950902403. The reversal of 23129950902398 is 89320905992132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23129950902398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782487725598 + ... + 5782487725601.

It is an arithmetic number, because the mean of its divisors is an integer number (8673731588400).

Almost surely, 2^{23129950902398} is an apocalyptic number.

23129950902398 is a deficient number, since it is larger than the sum of its proper divisors (11564975451202).

23129950902398 is a wasteful number, since it uses less digits than its factorization.

23129950902398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564975451201.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 23129950902398 in words is "twenty-three trillion, one hundred twenty-nine billion, nine hundred fifty million, nine hundred two thousand, three hundred ninety-eight".