23431541450142 has 32 divisors (see below), whose sum is σ = 53559622416384. Its totient is φ = 6694499455200.

The previous prime is 23431541450099. The next prime is 23431541450197. The reversal of 23431541450142 is 24105414513432.

It is a self number, because there is not a number n which added to its sum of digits gives 23431541450142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8187534 + ... + 10672337.

It is an arithmetic number, because the mean of its divisors is an integer number (1673738200512).

Almost surely, 2^{23431541450142} is an apocalyptic number.

23431541450142 is an abundant number, since it is smaller than the sum of its proper divisors (30128080966242).

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

23431541450142 is a wasteful number, since it uses less digits than its factorization.

23431541450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889464.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 23431541450142 its reverse (24105414513432), we get a palindrome (47536955963574).

The spelling of 23431541450142 in words is "twenty-three trillion, four hundred thirty-one billion, five hundred forty-one million, four hundred fifty thousand, one hundred forty-two".