1023657493206 has 16 divisors (see below), whose sum is σ = 2055471622848. Its totient is φ = 339859725000.

The previous prime is 1023657493181. The next prime is 1023657493267. The reversal of 1023657493206 is 6023947563201.

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, 339858220 + ... + 339861231.

It is an arithmetic number, because the mean of its divisors is an integer number (128466976428).

Almost surely, 2^{1023657493206} is an apocalyptic number.

1023657493206 is an abundant number, since it is smaller than the sum of its proper divisors (1031814129642).

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

1023657493206 is a wasteful number, since it uses less digits than its factorization.

1023657493206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679719707.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 1023657493206 in words is "one trillion, twenty-three billion, six hundred fifty-seven million, four hundred ninety-three thousand, two hundred six".