23430542 has 4 divisors (see below), whose sum is σ = 35145816. Its totient is φ = 11715270.

The previous prime is 23430541. The next prime is 23430551. The reversal of 23430542 is 24503432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857634 + ... + 5857637.

It is an arithmetic number, because the mean of its divisors is an integer number (8786454).

Almost surely, 2^23430542 is an apocalyptic number.

23430542 is a deficient number, since it is larger than the sum of its proper divisors (11715274).

23430542 is a wasteful number, since it uses less digits than its factorization.

23430542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715273.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23430542 is about 4840.5105102665. The cubic root of 23430542 is about 286.1502381138.

Adding to 23430542 its reverse (24503432), we get a palindrome (47933974).

The spelling of 23430542 in words is "twenty-three million, four hundred thirty thousand, five hundred forty-two".