23451231100 has 36 divisors (see below), whose sum is σ = 55515462408. Its totient is φ = 8527720000.

The previous prime is 23451231091. The next prime is 23451231149. The reversal of 23451231100 is 113215432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10658551 + ... + 10660750.

It is an arithmetic number, because the mean of its divisors is an integer number (1542096178).

Almost surely, 2^23451231100 is an apocalyptic number.

23451231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23451231100 is an abundant number, since it is smaller than the sum of its proper divisors (32064231308).

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

23451231100 is a wasteful number, since it uses less digits than its factorization.

23451231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319326 (or 21319319 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23451231100 its reverse (113215432), we get a palindrome (23564446532).

The spelling of 23451231100 in words is "twenty-three billion, four hundred fifty-one million, two hundred thirty-one thousand, one hundred".