23231430 has 24 divisors (see below), whose sum is σ = 60401952. Its totient is φ = 6195024.

The previous prime is 23231399. The next prime is 23231473. The reversal of 23231430 is 3413232.

23231430 is a `hidden beast` number, since 2 + 3 + 231 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 128974 + ... + 129153.

It is an arithmetic number, because the mean of its divisors is an integer number (2516748).

Almost surely, 2^23231430 is an apocalyptic number.

23231430 is an abundant number, since it is smaller than the sum of its proper divisors (37170522).

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

23231430 is a wasteful number, since it uses less digits than its factorization.

23231430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258140 (or 258137 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23231430 is about 4819.8993765430. The cubic root of 23231430 is about 285.3373659551.

Adding to 23231430 its reverse (3413232), we get a palindrome (26644662).

The spelling of 23231430 in words is "twenty-three million, two hundred thirty-one thousand, four hundred thirty".