23742122 has 4 divisors (see below), whose sum is σ = 35613186. Its totient is φ = 11871060.

The previous prime is 23742119. The next prime is 23742127. The reversal of 23742122 is 22124732.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 1661521 = 4699^2 + 1289^2 .

It is not an unprimeable number, because it can be changed into a prime (23742127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935529 + ... + 5935532.

Almost surely, 2^23742122 is an apocalyptic number.

23742122 is a deficient number, since it is larger than the sum of its proper divisors (11871064).

23742122 is a wasteful number, since it uses less digits than its factorization.

23742122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871063.

The product of its digits is 1344, while the sum is 23.

The square root of 23742122 is about 4872.5888396211. The cubic root of 23742122 is about 287.4130681088.

Adding to 23742122 its reverse (22124732), we get a palindrome (45866854).

The spelling of 23742122 in words is "twenty-three million, seven hundred forty-two thousand, one hundred twenty-two".