23251097772 has 288 divisors, whose sum is σ = 74703749120. Its totient is φ = 5947240320.

The previous prime is 23251097767. The next prime is 23251097921. The reversal of 23251097772 is 27779015232.

It is a super-2 number, since 2×23251097772² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6380583 + ... + 6384225.

Almost surely, 2^23251097772 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 23251097772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37351874560).

23251097772 is an abundant number, since it is smaller than the sum of its proper divisors (51452651348).

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

23251097772 is a wasteful number, since it uses less digits than its factorization.

23251097772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 23251097772 in words is "twenty-three billion, two hundred fifty-one million, ninety-seven thousand, seven hundred seventy-two".