32400023 has 2 divisors, whose sum is σ = 32400024. Its totient is φ = 32400022.

The previous prime is 32400019. The next prime is 32400029. The reversal of 32400023 is 32000423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32400023 - 2² = 32400019 is a prime.

It is a super-2 number, since 2×32400023² = 2099522980801058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32399980 and 32400007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32400029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200011 + 16200012.

It is an arithmetic number, because the mean of its divisors is an integer number (16200012).

Almost surely, 2^32400023 is an apocalyptic number.

32400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

32400023 is an equidigital number, since it uses as much as digits as its factorization.

32400023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 32400023 is about 5692.1018086468. The cubic root of 32400023 is about 318.7976461904.

Adding to 32400023 its reverse (32000423), we get a palindrome (64400446).

The spelling of 32400023 in words is "thirty-two million, four hundred thousand, twenty-three".