23142004 has 6 divisors (see below), whose sum is σ = 40498514. Its totient is φ = 11571000.

The previous prime is 23141959. The next prime is 23142011. The reversal of 23142004 is 40024132.

It can be written as a sum of positive squares in only one way, i.e., 18079504 + 5062500 = 4252^2 + 2250^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892747 + ... + 2892754.

Almost surely, 2^23142004 is an apocalyptic number.

It is an amenable number.

23142004 is a deficient number, since it is larger than the sum of its proper divisors (17356510).

23142004 is a wasteful number, since it uses less digits than its factorization.

23142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785505 (or 5785503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23142004 is about 4810.6136822655. The cubic root of 23142004 is about 284.9707736522.

Adding to 23142004 its reverse (40024132), we get a palindrome (63166136).

The spelling of 23142004 in words is "twenty-three million, one hundred forty-two thousand, four".