23980429 has 4 divisors (see below), whose sum is σ = 26160480. Its totient is φ = 21800380.

The previous prime is 23980423. The next prime is 23980457. The reversal of 23980429 is 92408932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23980429 - 2⁷ = 23980301 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 (23980423) 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, 1090009 + ... + 1090030.

It is an arithmetic number, because the mean of its divisors is an integer number (6540120).

Almost surely, 2^23980429 is an apocalyptic number.

It is an amenable number.

23980429 is a deficient number, since it is larger than the sum of its proper divisors (2180051).

23980429 is a wasteful number, since it uses less digits than its factorization.

23980429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180050.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 23980429 is about 4896.9816213664. The cubic root of 23980429 is about 288.3714864441.

It can be divided in two parts, 2 and 3980429, that added together give a triangular number (3980431 = T₂₈₂₁).

The spelling of 23980429 in words is "twenty-three million, nine hundred eighty thousand, four hundred twenty-nine".