102023142 has 32 divisors (see below), whose sum is σ = 220819200. Its totient is φ = 31237920.

The previous prime is 102023087. The next prime is 102023143. The reversal of 102023142 is 241320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023143) 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, 13359 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (6900600).

Almost surely, 2^102023142 is an apocalyptic number.

102023142 is an abundant number, since it is smaller than the sum of its proper divisors (118796058).

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

102023142 is a wasteful number, since it uses less digits than its factorization.

102023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102023142 is about 10100.6505731067. The cubic root of 102023142 is about 467.2682057947.

Adding to 102023142 its reverse (241320201), we get a palindrome (343343343).

The spelling of 102023142 in words is "one hundred two million, twenty-three thousand, one hundred forty-two".