23674081720 has 32 divisors (see below), whose sum is σ = 54505447920. Its totient is φ = 9249408000.

The previous prime is 23674081699. The next prime is 23674081729. The reversal of 23674081720 is 2718047632.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23674081729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880281 + ... + 6883720.

Almost surely, 2^23674081720 is an apocalyptic number.

23674081720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23674081720 is an abundant number, since it is smaller than the sum of its proper divisors (30831366200).

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

23674081720 is a wasteful number, since it uses less digits than its factorization.

23674081720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764055 (or 13764051 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 23674081720 in words is "twenty-three billion, six hundred seventy-four million, eighty-one thousand, seven hundred twenty".