23231451 has 16 divisors (see below), whose sum is σ = 31772160. Its totient is φ = 15094560.

The previous prime is 23231399. The next prime is 23231473. The reversal of 23231451 is 15413232.

It is not a de Polignac number, because 23231451 - 2⁶ = 23231387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23231491) 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, 19081 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (1985760).

Almost surely, 2^23231451 is an apocalyptic number.

23231451 is a deficient number, since it is larger than the sum of its proper divisors (8540709).

23231451 is a wasteful number, since it uses less digits than its factorization.

23231451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its digits is 720, while the sum is 21.

The square root of 23231451 is about 4819.9015550113. The cubic root of 23231451 is about 285.3374519317.

Adding to 23231451 its reverse (15413232), we get a palindrome (38644683).

The spelling of 23231451 in words is "twenty-three million, two hundred thirty-one thousand, four hundred fifty-one".