23031455 has 8 divisors (see below), whose sum is σ = 27702000. Its totient is φ = 18382336.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031455 is 55413032.

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 23031455 - 2¹⁰ = 23030431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23031455.

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, 2885 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (3462750).

Almost surely, 2^23031455 is an apocalyptic number.

23031455 is a deficient number, since it is larger than the sum of its proper divisors (4670545).

23031455 is a wasteful number, since it uses less digits than its factorization.

23031455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713.

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

The square root of 23031455 is about 4799.1098132883. The cubic root of 23031455 is about 284.5162821700.

Adding to 23031455 its reverse (55413032), we get a palindrome (78444487).

The spelling of 23031455 in words is "twenty-three million, thirty-one thousand, four hundred fifty-five".