23070137 has 4 divisors (see below), whose sum is σ = 23124096. Its totient is φ = 23016180.

The previous prime is 23070083. The next prime is 23070143. The reversal of 23070137 is 73107032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23070137 - 2¹⁶ = 23004601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23070337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26333 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (5781024).

Almost surely, 2^23070137 is an apocalyptic number.

It is an amenable number.

23070137 is a deficient number, since it is larger than the sum of its proper divisors (53959).

23070137 is an equidigital number, since it uses as much as digits as its factorization.

23070137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53958.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 23070137 is about 4803.1382449394. The cubic root of 23070137 is about 284.6754775418.

Adding to 23070137 its reverse (73107032), we get a palindrome (96177169).

The spelling of 23070137 in words is "twenty-three million, seventy thousand, one hundred thirty-seven".