23400130 has 16 divisors (see below), whose sum is σ = 45360504. Its totient is φ = 8640000.

The previous prime is 23400103. The next prime is 23400161. The reversal of 23400130 is 3100432.

It can be written as a sum of positive squares in 4 ways, for example, as 21335161 + 2064969 = 4619^2 + 1437^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 23400130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89871 + ... + 90130.

Almost surely, 2^23400130 is an apocalyptic number.

23400130 is a deficient number, since it is larger than the sum of its proper divisors (21960374).

23400130 is a wasteful number, since it uses less digits than its factorization.

23400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180021.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23400130 is about 4837.3680860567. The cubic root of 23400130 is about 286.0263802748.

Adding to 23400130 its reverse (3100432), we get a palindrome (26500562).

The spelling of 23400130 in words is "twenty-three million, four hundred thousand, one hundred thirty".