23154542 has 8 divisors (see below), whose sum is σ = 34819632. Its totient is φ = 11548000.

The previous prime is 23154539. The next prime is 23154569. The reversal of 23154542 is 24545132.

It is a happy number.

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

It is a super-2 number, since 2×23154542² = 1072265630459528, which contains 22 as substring.

It is a congruent number.

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, 13634 + ... + 15237.

It is an arithmetic number, because the mean of its divisors is an integer number (4352454).

Almost surely, 2^23154542 is an apocalyptic number.

23154542 is a deficient number, since it is larger than the sum of its proper divisors (11665090).

23154542 is a wasteful number, since it uses less digits than its factorization.

23154542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29274.

The product of its digits is 4800, while the sum is 26.

The square root of 23154542 is about 4811.9166659451. The cubic root of 23154542 is about 285.0222286961.

Adding to 23154542 its reverse (24545132), we get a palindrome (47699674).

The spelling of 23154542 in words is "twenty-three million, one hundred fifty-four thousand, five hundred forty-two".