23031120045 has 64 divisors (see below), whose sum is σ = 37881575424. Its totient is φ = 11944869120.

The previous prime is 23031120023. The next prime is 23031120071. The reversal of 23031120045 is 54002113032.

It is not a de Polignac number, because 23031120045 - 2¹³ = 23031111853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45787264 + ... + 45787766.

It is an arithmetic number, because the mean of its divisors is an integer number (591899616).

Almost surely, 2^23031120045 is an apocalyptic number.

It is an amenable number.

23031120045 is a deficient number, since it is larger than the sum of its proper divisors (14850455379).

23031120045 is a wasteful number, since it uses less digits than its factorization.

23031120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 23031120045 its reverse (54002113032), we get a palindrome (77033233077).

The spelling of 23031120045 in words is "twenty-three billion, thirty-one million, one hundred twenty thousand, forty-five".