23422743 has 8 divisors (see below), whose sum is σ = 34700400. Its totient is φ = 15615144.

The previous prime is 23422727. The next prime is 23422757. The reversal of 23422743 is 34722432.

It is not a de Polignac number, because 23422743 - 2⁴ = 23422727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 867509 = 23422743 / (2 + 3 + 4 + 2 + 2 + 7 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433728 + ... + 433781.

It is an arithmetic number, because the mean of its divisors is an integer number (4337550).

Almost surely, 2^23422743 is an apocalyptic number.

23422743 is a deficient number, since it is larger than the sum of its proper divisors (11277657).

23422743 is an equidigital number, since it uses as much as digits as its factorization.

23422743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867518 (or 867512 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 23422743 is about 4839.7048463723. The cubic root of 23422743 is about 286.1184856350.

It can be divided in two parts, 234227 and 43, that added together give a triangular number (234270 = T₆₈₄).

The spelling of 23422743 in words is "twenty-three million, four hundred twenty-two thousand, seven hundred forty-three".