23474280816 has 400 divisors, whose sum is σ = 86552674560. Its totient is φ = 5979432960.

The previous prime is 23474280757. The next prime is 23474280821. The reversal of 23474280816 is 61808247432.

It is a happy number.

23474280816 is a `hidden beast` number, since 23 + 474 + 2 + 80 + 81 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2926251 + ... + 2934261.

Almost surely, 2^23474280816 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 23474280816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43276337280).

23474280816 is an abundant number, since it is smaller than the sum of its proper divisors (63078393744).

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

23474280816 is a wasteful number, since it uses less digits than its factorization.

23474280816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 23474280816 in words is "twenty-three billion, four hundred seventy-four million, two hundred eighty thousand, eight hundred sixteen".