23400055 has 16 divisors (see below), whose sum is σ = 32408064. Its totient is φ = 15887520.

The previous prime is 23400029. The next prime is 23400067. The reversal of 23400055 is 55000432.

It is a happy number.

It is not a de Polignac number, because 23400055 - 2⁵ = 23400023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (2025504).

Almost surely, 2^23400055 is an apocalyptic number.

23400055 is a deficient number, since it is larger than the sum of its proper divisors (9008009).

23400055 is a wasteful number, since it uses less digits than its factorization.

23400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23400055 is about 4837.3603339011. The cubic root of 23400055 is about 286.0260746925.

Adding to 23400055 its reverse (55000432), we get a palindrome (78400487).

The spelling of 23400055 in words is "twenty-three million, four hundred thousand, fifty-five".