23142798 has 72 divisors (see below), whose sum is σ = 61443720. Its totient is φ = 6259680.

The previous prime is 23142773. The next prime is 23142799. The reversal of 23142798 is 89724132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142799) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16068 + ... + 17448.

It is an arithmetic number, because the mean of its divisors is an integer number (853385).

Almost surely, 2^23142798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23142798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30721860).

23142798 is an abundant number, since it is smaller than the sum of its proper divisors (38300922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142798 is a wasteful number, since it uses less digits than its factorization.

23142798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1412 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 23142798 is about 4810.6962074111. The cubic root of 23142798 is about 284.9740327218.

The spelling of 23142798 in words is "twenty-three million, one hundred forty-two thousand, seven hundred ninety-eight".