23655254412 has 54 divisors (see below), whose sum is σ = 57201883284. Its totient is φ = 7608212640.

The previous prime is 23655254407. The next prime is 23655254417. The reversal of 23655254412 is 21445255632.

It is an interprime number because it is at equal distance from previous prime (23655254407) and next prime (23655254417).

It is a super-2 number, since 2×23655254412² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23655254417) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15450087 + ... + 15451617.

Almost surely, 2^23655254412 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 23655254412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28600941642).

23655254412 is an abundant number, since it is smaller than the sum of its proper divisors (33546628872).

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

23655254412 is an equidigital number, since it uses as much as digits as its factorization.

23655254412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 1565 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The spelling of 23655254412 in words is "twenty-three billion, six hundred fifty-five million, two hundred fifty-four thousand, four hundred twelve".