23140004 has 6 divisors (see below), whose sum is σ = 40495014. Its totient is φ = 11570000.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140004 is 40004132.

It can be written as a sum of positive squares in only one way, i.e., 13542400 + 9597604 = 3680^2 + 3098^2 .

It is not an unprimeable number, because it can be changed into a prime (23140003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892497 + ... + 2892504.

It is an arithmetic number, because the mean of its divisors is an integer number (6749169).

Almost surely, 2^23140004 is an apocalyptic number.

It is an amenable number.

23140004 is a deficient number, since it is larger than the sum of its proper divisors (17355010).

23140004 is a wasteful number, since it uses less digits than its factorization.

23140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785005 (or 5785003 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23140004 is about 4810.4058040876. The cubic root of 23140004 is about 284.9625640784.

Adding to 23140004 its reverse (40004132), we get a palindrome (63144136).

The spelling of 23140004 in words is "twenty-three million, one hundred forty thousand, four".