23431463 has 4 divisors (see below), whose sum is σ = 25561608. Its totient is φ = 21301320.

The previous prime is 23431453. The next prime is 23431469. The reversal of 23431463 is 36413432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23431463 - 2⁶ = 23431399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065056 + ... + 1065077.

It is an arithmetic number, because the mean of its divisors is an integer number (6390402).

Almost surely, 2^23431463 is an apocalyptic number.

23431463 is a deficient number, since it is larger than the sum of its proper divisors (2130145).

23431463 is a wasteful number, since it uses less digits than its factorization.

23431463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130144.

The product of its digits is 5184, while the sum is 26.

The square root of 23431463 is about 4840.6056439251. The cubic root of 23431463 is about 286.1539873643.

Adding to 23431463 its reverse (36413432), we get a palindrome (59844895).

The spelling of 23431463 in words is "twenty-three million, four hundred thirty-one thousand, four hundred sixty-three".