23154436707644 has 48 divisors (see below), whose sum is σ = 44300534263776. Its totient is φ = 10501763078400.

The previous prime is 23154436707631. The next prime is 23154436707683. The reversal of 23154436707644 is 44670763445132.

It is a super-2 number, since 2×23154436707644² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154436707644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43155794 + ... + 43689030.

It is an arithmetic number, because the mean of its divisors is an integer number (922927797162).

Almost surely, 2^{23154436707644} is an apocalyptic number.

It is an amenable number.

23154436707644 is a deficient number, since it is larger than the sum of its proper divisors (21146097556132).

23154436707644 is a wasteful number, since it uses less digits than its factorization.

23154436707644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535406 (or 535404 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 56.

The spelling of 23154436707644 in words is "twenty-three trillion, one hundred fifty-four billion, four hundred thirty-six million, seven hundred seven thousand, six hundred forty-four".