23373994959 has 40 divisors (see below), whose sum is σ = 42005082240. Its totient is φ = 12653585424.

The previous prime is 23373994933. The next prime is 23373994961. The reversal of 23373994959 is 95949937332.

23373994959 is a `hidden beast` number, since 23 + 37 + 3 + 99 + 495 + 9 = 666.

It is not a de Polignac number, because 23373994959 - 2⁹ = 23373994447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 23373994896 and 23373994905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23373994759) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1074069 + ... + 1095614.

It is an arithmetic number, because the mean of its divisors is an integer number (1050127056).

Almost surely, 2^23373994959 is an apocalyptic number.

23373994959 is a deficient number, since it is larger than the sum of its proper divisors (18631087281).

23373994959 is a wasteful number, since it uses less digits than its factorization.

23373994959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169721 (or 2169712 counting only the distinct ones).

The product of its digits is 49601160, while the sum is 63.

The spelling of 23373994959 in words is "twenty-three billion, three hundred seventy-three million, nine hundred ninety-four thousand, nine hundred fifty-nine".