23431342 has 16 divisors (see below), whose sum is σ = 40010112. Its totient is φ = 10187320.

The previous prime is 23431327. The next prime is 23431357. The reversal of 23431342 is 24313432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23431327) and next prime (23431357).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22648 + ... + 23659.

It is an arithmetic number, because the mean of its divisors is an integer number (2500632).

Almost surely, 2^23431342 is an apocalyptic number.

23431342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23431342 is a deficient number, since it is larger than the sum of its proper divisors (16578770).

23431342 is a wasteful number, since it uses less digits than its factorization.

23431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46343.

The product of its digits is 1728, while the sum is 22.

The square root of 23431342 is about 4840.5931454730. The cubic root of 23431342 is about 286.1534947974.

Adding to 23431342 its reverse (24313432), we get a palindrome (47744774).

The spelling of 23431342 in words is "twenty-three million, four hundred thirty-one thousand, three hundred forty-two".