1023421100142 has 16 divisors (see below), whose sum is σ = 2339248228992. Its totient is φ = 292406028600.

The previous prime is 1023421100129. The next prime is 1023421100161. The reversal of 1023421100142 is 2410011243201.

1023421100142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12183584484 + ... + 12183584567.

It is an arithmetic number, because the mean of its divisors is an integer number (146203014312).

Almost surely, 2^{1023421100142} is an apocalyptic number.

1023421100142 is an abundant number, since it is smaller than the sum of its proper divisors (1315827128850).

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

1023421100142 is a wasteful number, since it uses less digits than its factorization.

1023421100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24367169063.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1023421100142 its reverse (2410011243201), we get a palindrome (3433432343343).

The spelling of 1023421100142 in words is "one trillion, twenty-three billion, four hundred twenty-one million, one hundred thousand, one hundred forty-two".