23002057 has 8 divisors (see below), whose sum is σ = 24854984. Its totient is φ = 21161088.

The previous prime is 23002051. The next prime is 23002061. The reversal of 23002057 is 75020032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 441 + 23001616 = 21^2 + 4796^2 .

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

It is not a de Polignac number, because 23002057 - 2⁷ = 23001929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (3106873).

Almost surely, 2^23002057 is an apocalyptic number.

It is an amenable number.

23002057 is a deficient number, since it is larger than the sum of its proper divisors (1852927).

23002057 is a wasteful number, since it uses less digits than its factorization.

23002057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 23002057 is about 4796.0459755928. The cubic root of 23002057 is about 284.3951757533.

Adding to 23002057 its reverse (75020032), we get a palindrome (98022089).

The spelling of 23002057 in words is "twenty-three million, two thousand, fifty-seven".