23779406420156 has 48 divisors (see below), whose sum is σ = 44346748320000. Its totient is φ = 11124499871232.

The previous prime is 23779406420117. The next prime is 23779406420207. The reversal of 23779406420156 is 65102460497732.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18289196 + ... + 19546188.

It is an arithmetic number, because the mean of its divisors is an integer number (923890590000).

Almost surely, 2^{23779406420156} is an apocalyptic number.

It is an amenable number.

23779406420156 is a deficient number, since it is larger than the sum of its proper divisors (20567341899844).

23779406420156 is a wasteful number, since it uses less digits than its factorization.

23779406420156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260098 (or 1260096 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 23779406420156 in words is "twenty-three trillion, seven hundred seventy-nine billion, four hundred six million, four hundred twenty thousand, one hundred fifty-six".