23542031 has 2 divisors, whose sum is σ = 23542032. Its totient is φ = 23542030.

The previous prime is 23542021. The next prime is 23542039. The reversal of 23542031 is 13024532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23542031 is a prime.

It is a super-2 number, since 2×23542031² = 1108454447209922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1480205 and since 23542031 and 1480205 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23541994 and 23542012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23542039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771015 + 11771016.

It is an arithmetic number, because the mean of its divisors is an integer number (11771016).

Almost surely, 2^23542031 is an apocalyptic number.

23542031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542031 is an equidigital number, since it uses as much as digits as its factorization.

23542031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23542031 is about 4852.0130873690. The cubic root of 23542031 is about 286.6033808077.

Adding to 23542031 its reverse (13024532), we get a palindrome (36566563).

The spelling of 23542031 in words is "twenty-three million, five hundred forty-two thousand, thirty-one".