23015451032 has 96 divisors (see below), whose sum is σ = 54315360000. Its totient is φ = 8938150848.

The previous prime is 23015451031. The next prime is 23015451073.

It is a happy number.

23015451032 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 23015450992 and 23015451010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015451031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440219 + ... + 489717.

It is an arithmetic number, because the mean of its divisors is an integer number (565785000).

Almost surely, 2^23015451032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23015451032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27157680000).

23015451032 is an abundant number, since it is smaller than the sum of its proper divisors (31299908968).

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

23015451032 is a wasteful number, since it uses less digits than its factorization.

23015451032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49573 (or 49550 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 23015451032 in words is "twenty-three billion, fifteen million, four hundred fifty-one thousand, thirty-two".