23342129 has 4 divisors (see below), whose sum is σ = 24147060. Its totient is φ = 22537200.

The previous prime is 23342117. The next prime is 23342141. The reversal of 23342129 is 92124332.

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

It is an interprime number because it is at equal distance from previous prime (23342117) and next prime (23342141).

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 9909904 = 3665^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 23342129 - 2⁸ = 23341873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23342098 and 23342107.

It is not an unprimeable number, because it can be changed into a prime (23342029) 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, 402422 + ... + 402479.

It is an arithmetic number, because the mean of its divisors is an integer number (6036765).

Almost surely, 2^23342129 is an apocalyptic number.

23342129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23342129 is a deficient number, since it is larger than the sum of its proper divisors (804931).

23342129 is an equidigital number, since it uses as much as digits as its factorization.

23342129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804930.

The product of its digits is 2592, while the sum is 26.

The square root of 23342129 is about 4831.3692676093. The cubic root of 23342129 is about 285.7898638989.

The spelling of 23342129 in words is "twenty-three million, three hundred forty-two thousand, one hundred twenty-nine".