23002742 has 32 divisors (see below), whose sum is σ = 41601600. Its totient is φ = 9330048.

The previous prime is 23002729. The next prime is 23002781. The reversal of 23002742 is 24720032.

It is a happy number.

It is a super-2 number, since 2×23002742² = 1058252279037128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20984 + ... + 22052.

It is an arithmetic number, because the mean of its divisors is an integer number (1300050).

Almost surely, 2^23002742 is an apocalyptic number.

23002742 is a deficient number, since it is larger than the sum of its proper divisors (18598858).

23002742 is a wasteful number, since it uses less digits than its factorization.

23002742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 23002742 is about 4796.1173880546. The cubic root of 23002742 is about 284.3979988162.

Adding to 23002742 its reverse (24720032), we get a palindrome (47722774).

The spelling of 23002742 in words is "twenty-three million, two thousand, seven hundred forty-two".