23223105142 has 4 divisors (see below), whose sum is σ = 34834657716. Its totient is φ = 11611552570.

The previous prime is 23223105137. The next prime is 23223105151. The reversal of 23223105142 is 24150132232.

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

It is a super-2 number, since 2×23223105142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805776284 + ... + 5805776287.

It is an arithmetic number, because the mean of its divisors is an integer number (8708664429).

Almost surely, 2^23223105142 is an apocalyptic number.

23223105142 is a deficient number, since it is larger than the sum of its proper divisors (11611552574).

23223105142 is a wasteful number, since it uses less digits than its factorization.

23223105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611552573.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23223105142 its reverse (24150132232), we get a palindrome (47373237374).

The spelling of 23223105142 in words is "twenty-three billion, two hundred twenty-three million, one hundred five thousand, one hundred forty-two".