23031142134 has 128 divisors (see below), whose sum is σ = 63354977280. Its totient is φ = 5387212800.

The previous prime is 23031142129. The next prime is 23031142153. The reversal of 23031142134 is 43124113032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199482 + ... + 293010.

It is an arithmetic number, because the mean of its divisors is an integer number (494960760).

Almost surely, 2^23031142134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031142134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31677488640).

23031142134 is an abundant number, since it is smaller than the sum of its proper divisors (40323835146).

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

23031142134 is a wasteful number, since it uses less digits than its factorization.

23031142134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93606.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23031142134 its reverse (43124113032), we get a palindrome (66155255166).

The spelling of 23031142134 in words is "twenty-three billion, thirty-one million, one hundred forty-two thousand, one hundred thirty-four".