23099621376 has 120 divisors (see below), whose sum is σ = 66337184704. Its totient is φ = 7107379200.

The previous prime is 23099621341. The next prime is 23099621381. The reversal of 23099621376 is 67312699032.

It is a happy number.

It is a super-2 number, since 2×23099621376² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620901 + ... + 657051.

Almost surely, 2^23099621376 is an apocalyptic number.

23099621376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23099621376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33168592352).

23099621376 is an abundant number, since it is smaller than the sum of its proper divisors (43237563328).

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

23099621376 is an equidigital number, since it uses as much as digits as its factorization.

23099621376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36195 (or 36169 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 23099621376 in words is "twenty-three billion, ninety-nine million, six hundred twenty-one thousand, three hundred seventy-six".