23036421408 has 1152 divisors, whose sum is σ = 91292221440. Its totient is φ = 4926873600.

The previous prime is 23036421379. The next prime is 23036421437. The reversal of 23036421408 is 80412463032.

It is an interprime number because it is at equal distance from previous prime (23036421379) and next prime (23036421437).

It is a super-2 number, since 2×23036421408² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 622605966 + ... + 622606002.

It is an arithmetic number, because the mean of its divisors is an integer number (79246720).

Almost surely, 2^23036421408 is an apocalyptic number.

23036421408 is a gapful number since it is divisible by the number (28) 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 23036421408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45646110720).

23036421408 is an abundant number, since it is smaller than the sum of its proper divisors (68255800032).

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

23036421408 is a wasteful number, since it uses less digits than its factorization.

23036421408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

It can be divided in two parts, 23036 and 421408, that added together give a palindrome (444444).

The spelling of 23036421408 in words is "twenty-three billion, thirty-six million, four hundred twenty-one thousand, four hundred eight".