1023153563694 has 8 divisors (see below), whose sum is σ = 2046307127400. Its totient is φ = 341051187896.

The previous prime is 1023153563693. The next prime is 1023153563717. The reversal of 1023153563694 is 4963653513201.

1023153563694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1023153563694 is an admirable number.

It is a super-2 number, since 2×1023153563694² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023153563693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85262796969 + ... + 85262796980.

It is an arithmetic number, because the mean of its divisors is an integer number (255788390925).

Almost surely, 2^{1023153563694} is an apocalyptic number.

1023153563694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1023153563694 is a wasteful number, since it uses less digits than its factorization.

1023153563694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170525593954.

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 1023153563694 in words is "one trillion, twenty-three billion, one hundred fifty-three million, five hundred sixty-three thousand, six hundred ninety-four".