23431055 has 8 divisors (see below), whose sum is σ = 28207872. Its totient is φ = 18684448.

The previous prime is 23431021. The next prime is 23431061. The reversal of 23431055 is 55013432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23431055 - 2⁶ = 23430991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23431055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (3525984).

Almost surely, 2^23431055 is an apocalyptic number.

23431055 is a deficient number, since it is larger than the sum of its proper divisors (4776817).

23431055 is a wasteful number, since it uses less digits than its factorization.

23431055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23431055 is about 4840.5635002549. The cubic root of 23431055 is about 286.1523264707.

Adding to 23431055 its reverse (55013432), we get a palindrome (78444487).

The spelling of 23431055 in words is "twenty-three million, four hundred thirty-one thousand, fifty-five".