23440354 has 16 divisors (see below), whose sum is σ = 40493376. Its totient is φ = 9968400.

The previous prime is 23440349. The next prime is 23440369. The reversal of 23440354 is 45304432.

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, 4557 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (2530836).

Almost surely, 2^23440354 is an apocalyptic number.

23440354 is a deficient number, since it is larger than the sum of its proper divisors (17053022).

23440354 is a wasteful number, since it uses less digits than its factorization.

23440354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 23440354 is about 4841.5239336391. The cubic root of 23440354 is about 286.1901762182.

Adding to 23440354 its reverse (45304432), we get a palindrome (68744786).

The spelling of 23440354 in words is "twenty-three million, four hundred forty thousand, three hundred fifty-four".