23773228974 has 192 divisors, whose sum is σ = 61793851392. Its totient is φ = 6781449600.

The previous prime is 23773228957. The next prime is 23773228991. The reversal of 23773228974 is 47982237732.

It is a happy number.

23773228974 is a `hidden beast` number, since 237 + 7 + 322 + 89 + 7 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (23773228957) and next prime (23773228991).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23773228974.

It is a congruent number.

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, 6129924 + ... + 6133800.

It is an arithmetic number, because the mean of its divisors is an integer number (321842976).

Almost surely, 2^23773228974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23773228974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30896925696).

23773228974 is an abundant number, since it is smaller than the sum of its proper divisors (38020622418).

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

23773228974 is a wasteful number, since it uses less digits than its factorization.

23773228974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973 (or 3961 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 23773228974 in words is "twenty-three billion, seven hundred seventy-three million, two hundred twenty-eight thousand, nine hundred seventy-four".