23432464 has 40 divisors (see below), whose sum is σ = 51246720. Its totient is φ = 10281600.

The previous prime is 23432447. The next prime is 23432467. The reversal of 23432464 is 46423432.

It is a super-2 number, since 2×23432464² = 1098160738222592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (1281168).

Almost surely, 2^23432464 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 23432464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25623360).

23432464 is an abundant number, since it is smaller than the sum of its proper divisors (27814256).

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

23432464 is a wasteful number, since it uses less digits than its factorization.

23432464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639 (or 4633 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 23432464 is about 4840.7090389735. The cubic root of 23432464 is about 286.1580621713.

Adding to 23432464 its reverse (46423432), we get a palindrome (69855896).

The spelling of 23432464 in words is "twenty-three million, four hundred thirty-two thousand, four hundred sixty-four".