23029421118 has 64 divisors (see below), whose sum is σ = 51579327744. Its totient is φ = 6794144000.

The previous prime is 23029421113. The next prime is 23029421123. The reversal of 23029421118 is 81112492032.

It is an interprime number because it is at equal distance from previous prime (23029421113) and next prime (23029421123).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23029421113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1319980 + ... + 1337312.

It is an arithmetic number, because the mean of its divisors is an integer number (805926996).

Almost surely, 2^23029421118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23029421118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25789663872).

23029421118 is an abundant number, since it is smaller than the sum of its proper divisors (28549906626).

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

23029421118 is a wasteful number, since it uses less digits than its factorization.

23029421118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 23029421118 in words is "twenty-three billion, twenty-nine million, four hundred twenty-one thousand, one hundred eighteen".