23234018990 has 64 divisors (see below), whose sum is σ = 52727794560. Its totient is φ = 7173826560.

The previous prime is 23234018971. The next prime is 23234018999. The reversal of 23234018990 is 9981043232.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23234018999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274055 + ... + 348674.

It is an arithmetic number, because the mean of its divisors is an integer number (823871790).

Almost surely, 2^23234018990 is an apocalyptic number.

23234018990 is an abundant number, since it is smaller than the sum of its proper divisors (29493775570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23234018990 is a wasteful number, since it uses less digits than its factorization.

23234018990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622797.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 23234018990 in words is "twenty-three billion, two hundred thirty-four million, eighteen thousand, nine hundred ninety".