23743742 has 16 divisors (see below), whose sum is σ = 39681792. Its totient is φ = 10562520.

The previous prime is 23743739. The next prime is 23743763. The reversal of 23743742 is 24734732.

It is a junction number, because it is equal to n+sod(n) for n = 23743699 and 23743708.

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, 10448 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (2480112).

Almost surely, 2^23743742 is an apocalyptic number.

23743742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23743742 is a deficient number, since it is larger than the sum of its proper divisors (15938050).

23743742 is a wasteful number, since it uses less digits than its factorization.

23743742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23023.

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

The square root of 23743742 is about 4872.7550728515. The cubic root of 23743742 is about 287.4196049941.

It can be divided in two parts, 2374 and 3742, that added together give a palindrome (6116).

The spelling of 23743742 in words is "twenty-three million, seven hundred forty-three thousand, seven hundred forty-two".