23000045 has 8 divisors (see below), whose sum is σ = 28551960. Its totient is φ = 17765440.

The previous prime is 23000027. The next prime is 23000059. The reversal of 23000045 is 54000032.

It can be written as a sum of positive squares in 4 ways, for example, as 94249 + 22905796 = 307^2 + 4786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23000045 - 2¹⁰ = 22999021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22999993 and 23000029.

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, 79166 + ... + 79455.

It is an arithmetic number, because the mean of its divisors is an integer number (3568995).

Almost surely, 2^23000045 is an apocalyptic number.

It is an amenable number.

23000045 is a deficient number, since it is larger than the sum of its proper divisors (5551915).

23000045 is a wasteful number, since it uses less digits than its factorization.

23000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158655.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23000045 is about 4795.8362148847. The cubic root of 23000045 is about 284.3868834546.

Adding to 23000045 its reverse (54000032), we get a palindrome (77000077).

The spelling of 23000045 in words is "twenty-three million, forty-five", and thus it is an aban number and an uban number.