23015261412 has 216 divisors, whose sum is σ = 72494065280. Its totient is φ = 6098716800.

The previous prime is 23015261377. The next prime is 23015261447. The reversal of 23015261412 is 21416251032.

23015261412 is a `hidden beast` number, since 2 + 30 + 1 + 5 + 2 + 614 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (23015261377) and next prime (23015261447).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1065237 + ... + 1086627.

Almost surely, 2^23015261412 is an apocalyptic number.

23015261412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23015261412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36247032640).

23015261412 is an abundant number, since it is smaller than the sum of its proper divisors (49478803868).

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

23015261412 is a wasteful number, since it uses less digits than its factorization.

23015261412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455 (or 21439 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 23015261412 in words is "twenty-three billion, fifteen million, two hundred sixty-one thousand, four hundred twelve".