23966970940 has 192 divisors, whose sum is σ = 59128828416. Its totient is φ = 8131200000.

The previous prime is 23966970919. The next prime is 23966970949. The reversal of 23966970940 is 4907966932.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23966970949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95485815 + ... + 95486065.

It is an arithmetic number, because the mean of its divisors is an integer number (307962648).

Almost surely, 2^23966970940 is an apocalyptic number.

23966970940 is a gapful number since it is divisible by the number (20) 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 23966970940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29564414208).

23966970940 is an abundant number, since it is smaller than the sum of its proper divisors (35161857476).

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

23966970940 is a wasteful number, since it uses less digits than its factorization.

23966970940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 23966970940 in words is "twenty-three billion, nine hundred sixty-six million, nine hundred seventy thousand, nine hundred forty".