1023002100542 has 16 divisors (see below), whose sum is σ = 1629560874960. Its totient is φ = 480291622272.

The previous prime is 1023002100521. The next prime is 1023002100551. The reversal of 1023002100542 is 2450012003201.

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, 119115653 + ... + 119124240.

It is an arithmetic number, because the mean of its divisors is an integer number (101847554685).

Almost surely, 2^{1023002100542} is an apocalyptic number.

1023002100542 is a deficient number, since it is larger than the sum of its proper divisors (606558774418).

1023002100542 is a wasteful number, since it uses less digits than its factorization.

1023002100542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238240027.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1023002100542 its reverse (2450012003201), we get a palindrome (3473014103743).

The spelling of 1023002100542 in words is "one trillion, twenty-three billion, two million, one hundred thousand, five hundred forty-two".