23258172035644 has 72 divisors (see below), whose sum is σ = 50991158610000. Its totient is φ = 9200658104064.

The previous prime is 23258172035561. The next prime is 23258172035647. The reversal of 23258172035644 is 44653027185232.

It is a happy number.

It is a super-2 number, since 2×23258172035644² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 23258172035591 and 23258172035600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23258172035647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66708579 + ... + 67056325.

It is an arithmetic number, because the mean of its divisors is an integer number (708210536250).

Almost surely, 2^{23258172035644} is an apocalyptic number.

It is an amenable number.

23258172035644 is an abundant number, since it is smaller than the sum of its proper divisors (27732986574356).

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

23258172035644 is a wasteful number, since it uses less digits than its factorization.

23258172035644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374027 (or 374018 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 23258172035644 in words is "twenty-three trillion, two hundred fifty-eight billion, one hundred seventy-two million, thirty-five thousand, six hundred forty-four".