22402400023 has 4 divisors (see below), whose sum is σ = 22879046880. Its totient is φ = 21925753168.

The previous prime is 22402400003. The next prime is 22402400057. The reversal of 22402400023 is 32000420422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22402400023 - 2⁵ = 22402399991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402400003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238323358 + ... + 238323451.

It is an arithmetic number, because the mean of its divisors is an integer number (5719761720).

Almost surely, 2^22402400023 is an apocalyptic number.

22402400023 is a deficient number, since it is larger than the sum of its proper divisors (476646857).

22402400023 is an equidigital number, since it uses as much as digits as its factorization.

22402400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476646856.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22402400023 its reverse (32000420422), we get a palindrome (54402820445).

The spelling of 22402400023 in words is "twenty-two billion, four hundred two million, four hundred thousand, twenty-three".