1023330494642 has 32 divisors (see below), whose sum is σ = 1640830806720. Its totient is φ = 477245364480.

The previous prime is 1023330494617. The next prime is 1023330494651. The reversal of 1023330494642 is 2464940333201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023330494642.

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, 1234142 + ... + 1889382.

It is an arithmetic number, because the mean of its divisors is an integer number (51275962710).

Almost surely, 2^{1023330494642} is an apocalyptic number.

1023330494642 is a deficient number, since it is larger than the sum of its proper divisors (617500312078).

1023330494642 is a wasteful number, since it uses less digits than its factorization.

1023330494642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655898.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 1023330494642 in words is "one trillion, twenty-three billion, three hundred thirty million, four hundred ninety-four thousand, six hundred forty-two".