23542073 has 4 divisors (see below), whose sum is σ = 23629860. Its totient is φ = 23454288.

The previous prime is 23542063. The next prime is 23542097. The reversal of 23542073 is 37024532.

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 1517824 + 22024249 = 1232^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 23542073 - 2⁶ = 23542009 is a prime.

It is a super-2 number, since 2×23542073² = 1108458402274658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23542063) 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, 43490 + ... + 44027.

It is an arithmetic number, because the mean of its divisors is an integer number (5907465).

Almost surely, 2^23542073 is an apocalyptic number.

It is an amenable number.

23542073 is a deficient number, since it is larger than the sum of its proper divisors (87787).

23542073 is an equidigital number, since it uses as much as digits as its factorization.

23542073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87786.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23542073 is about 4852.0174154675. The cubic root of 23542073 is about 286.6035512452.

The spelling of 23542073 in words is "twenty-three million, five hundred forty-two thousand, seventy-three".