1023454634202 has 288 divisors, whose sum is σ = 3130321469184. Its totient is φ = 234713825280.

The previous prime is 1023454634171. The next prime is 1023454634231. The reversal of 1023454634202 is 2024364543201.

1023454634202 is a `hidden beast` number, since 10 + 2 + 3 + 4 + 5 + 4 + 634 + 2 + 0 + 2 = 666.

1023454634202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4446298 + ... + 4670810.

It is an arithmetic number, because the mean of its divisors is an integer number (10869171768).

Almost surely, 2^{1023454634202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023454634202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565160734592).

1023454634202 is an abundant number, since it is smaller than the sum of its proper divisors (2106866834982).

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

1023454634202 is a wasteful number, since it uses less digits than its factorization.

1023454634202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224586 (or 224572 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 1023454634202 in words is "one trillion, twenty-three billion, four hundred fifty-four million, six hundred thirty-four thousand, two hundred two".