23445554 has 16 divisors (see below), whose sum is σ = 38486880. Its totient is φ = 10623360.

The previous prime is 23445553. The next prime is 23445559. The reversal of 23445554 is 45554432.

It is a self number, because there is not a number n which added to its sum of digits gives 23445554.

It is not an unprimeable number, because it can be changed into a prime (23445553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (2405430).

Almost surely, 2^23445554 is an apocalyptic number.

23445554 is a deficient number, since it is larger than the sum of its proper divisors (15041326).

23445554 is a wasteful number, since it uses less digits than its factorization.

23445554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385.

The product of its digits is 48000, while the sum is 32.

The square root of 23445554 is about 4842.0609248542. The cubic root of 23445554 is about 286.2113374300.

Adding to 23445554 its reverse (45554432), we get a palindrome (68999986).

The spelling of 23445554 in words is "twenty-three million, four hundred forty-five thousand, five hundred fifty-four".