23450205353142 has 32 divisors (see below), whose sum is σ = 48531118521600. Its totient is φ = 7545099951648.

The previous prime is 23450205353123. The next prime is 23450205353143. The reversal of 23450205353142 is 24135350205432.

It is a super-2 number, since 2×23450205353142² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23450205353142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450205353143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18054292 + ... + 19309527.

It is an arithmetic number, because the mean of its divisors is an integer number (1516597453800).

Almost surely, 2^{23450205353142} is an apocalyptic number.

23450205353142 is an abundant number, since it is smaller than the sum of its proper divisors (25080913168458).

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

23450205353142 is a wasteful number, since it uses less digits than its factorization.

23450205353142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367460.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 23450205353142 its reverse (24135350205432), we get a palindrome (47585555558574).

The spelling of 23450205353142 in words is "twenty-three trillion, four hundred fifty billion, two hundred five million, three hundred fifty-three thousand, one hundred forty-two".