23729451412 has 12 divisors (see below), whose sum is σ = 41606249076. Its totient is φ = 11841951680.

The previous prime is 23729451409. The next prime is 23729451419. The reversal of 23729451412 is 21415492732.

It can be written as a sum of positive squares in 2 ways, for example, as 3838298116 + 19891153296 = 61954^2 + 141036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729451419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691163 + ... + 5695330.

It is an arithmetic number, because the mean of its divisors is an integer number (3467187423).

Almost surely, 2^23729451412 is an apocalyptic number.

It is an amenable number.

23729451412 is a deficient number, since it is larger than the sum of its proper divisors (17876797664).

23729451412 is a wasteful number, since it uses less digits than its factorization.

23729451412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387018 (or 11387016 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 23729451412 in words is "twenty-three billion, seven hundred twenty-nine million, four hundred fifty-one thousand, four hundred twelve".