23307442 has 8 divisors (see below), whose sum is σ = 37017756. Its totient is φ = 10968192.

The previous prime is 23307437. The next prime is 23307461. The reversal of 23307442 is 24470332.

It can be written as a sum of positive squares in 2 ways, for example, as 23222761 + 84681 = 4819^2 + 291^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342723 + ... + 342790.

Almost surely, 2^23307442 is an apocalyptic number.

23307442 is a deficient number, since it is larger than the sum of its proper divisors (13710314).

23307442 is a wasteful number, since it uses less digits than its factorization.

23307442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685532.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23307442 is about 4827.7781639176. The cubic root of 23307442 is about 285.6482300390.

Adding to 23307442 its reverse (24470332), we get a palindrome (47777774).

The spelling of 23307442 in words is "twenty-three million, three hundred seven thousand, four hundred forty-two".