1202031400023 has 6 divisors (see below), whose sum is σ = 1736267577824. Its totient is φ = 801354266676.

The previous prime is 1202031399991. The next prime is 1202031400039. The reversal of 1202031400023 is 3200041302021.

It is not a de Polignac number, because 1202031400023 - 2⁵ = 1202031399991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202031399969 and 1202031400005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202031400723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66779522215 + ... + 66779522232.

Almost surely, 2^{1202031400023} is an apocalyptic number.

1202031400023 is a deficient number, since it is larger than the sum of its proper divisors (534236177801).

1202031400023 is a wasteful number, since it uses less digits than its factorization.

1202031400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133559044453 (or 133559044450 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1202031400023 its reverse (3200041302021), we get a palindrome (4402072702044).

The spelling of 1202031400023 in words is "one trillion, two hundred two billion, thirty-one million, four hundred thousand, twenty-three".