23473742 has 4 divisors (see below), whose sum is σ = 35210616. Its totient is φ = 11736870.

The previous prime is 23473739. The next prime is 23473757. The reversal of 23473742 is 24737432.

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

It is a junction number, because it is equal to n+sod(n) for n = 23473699 and 23473708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5868434 + ... + 5868437.

It is an arithmetic number, because the mean of its divisors is an integer number (8802654).

Almost surely, 2^23473742 is an apocalyptic number.

23473742 is a deficient number, since it is larger than the sum of its proper divisors (11736874).

23473742 is a wasteful number, since it uses less digits than its factorization.

23473742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11736873.

The product of its digits is 28224, while the sum is 32.

The square root of 23473742 is about 4844.9707945456. The cubic root of 23473742 is about 286.3259930577.

The spelling of 23473742 in words is "twenty-three million, four hundred seventy-three thousand, seven hundred forty-two".