23023400 has 24 divisors (see below), whose sum is σ = 53529870. Its totient is φ = 9209280.

The previous prime is 23023379. The next prime is 23023417. The reversal of 23023400 is 432032.

It can be written as a sum of positive squares in 3 ways, for example, as 22259524 + 763876 = 4718^2 + 874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57359 + ... + 57758.

Almost surely, 2^23023400 is an apocalyptic number.

23023400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23023400 is an abundant number, since it is smaller than the sum of its proper divisors (30506470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23023400 is a wasteful number, since it uses less digits than its factorization.

23023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115133 (or 115124 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 23023400 is about 4798.2705217609. The cubic root of 23023400 is about 284.4831094810.

Adding to 23023400 its reverse (432032), we get a palindrome (23455432).

The spelling of 23023400 in words is "twenty-three million, twenty-three thousand, four hundred".