23073949 has 4 divisors (see below), whose sum is σ = 23111964. Its totient is φ = 23035936.

The previous prime is 23073943. The next prime is 23073971. The reversal of 23073949 is 94937032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 20160100 = 1707^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 23073949 - 2¹¹ = 23071901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073943) 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, 18082 + ... + 19315.

It is an arithmetic number, because the mean of its divisors is an integer number (5777991).

Almost surely, 2^23073949 is an apocalyptic number.

It is an amenable number.

23073949 is a deficient number, since it is larger than the sum of its proper divisors (38015).

23073949 is an equidigital number, since it uses as much as digits as its factorization.

23073949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38014.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 23073949 is about 4803.5350524379. The cubic root of 23073949 is about 284.6911561535.

The spelling of 23073949 in words is "twenty-three million, seventy-three thousand, nine hundred forty-nine".