23401488 has 160 divisors (see below), whose sum is σ = 71995392. Its totient is φ = 6476800.

The previous prime is 23401487. The next prime is 23401513. The reversal of 23401488 is 88410432.

It is a super-2 number, since 2×23401488² = 1095259281228288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23401481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497881 + ... + 497927.

Almost surely, 2^23401488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23401488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35997696).

23401488 is an abundant number, since it is smaller than the sum of its proper divisors (48593904).

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

23401488 is a wasteful number, since it uses less digits than its factorization.

23401488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 23401488 is about 4837.5084496050. The cubic root of 23401488 is about 286.0319132400.

It can be divided in two parts, 2340 and 1488, that added together give a triangular number (3828 = T₈₇).

The spelling of 23401488 in words is "twenty-three million, four hundred one thousand, four hundred eighty-eight".