23429407 has 4 divisors (see below), whose sum is σ = 23548536. Its totient is φ = 23310280.

The previous prime is 23429389. The next prime is 23429447. The reversal of 23429407 is 70492432.

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 23429407 - 2⁷ = 23429279 is a prime.

It is a super-2 number, since 2×23429407² = 1097874224743298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23429447) 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, 59269 + ... + 59662.

It is an arithmetic number, because the mean of its divisors is an integer number (5887134).

Almost surely, 2^23429407 is an apocalyptic number.

23429407 is a deficient number, since it is larger than the sum of its proper divisors (119129).

23429407 is a wasteful number, since it uses less digits than its factorization.

23429407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119128.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23429407 is about 4840.3932691466. The cubic root of 23429407 is about 286.1456175668.

The spelling of 23429407 in words is "twenty-three million, four hundred twenty-nine thousand, four hundred seven".