23231001 has 16 divisors (see below), whose sum is σ = 32198400. Its totient is φ = 14880768.

The previous prime is 23230981. The next prime is 23231003. The reversal of 23231001 is 10013232.

It is a happy number.

It is not a de Polignac number, because 23231001 - 2⁶ = 23230937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23231003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21840 + ... + 22878.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^23231001 is an apocalyptic number.

It is an amenable number.

23231001 is a deficient number, since it is larger than the sum of its proper divisors (8967399).

23231001 is a wasteful number, since it uses less digits than its factorization.

23231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23231001 is about 4819.8548733338. The cubic root of 23231001 is about 285.3356095632.

Adding to 23231001 its reverse (10013232), we get a palindrome (33244233).

The spelling of 23231001 in words is "twenty-three million, two hundred thirty-one thousand, one".