1402433021023 has 4 divisors (see below), whose sum is σ = 1406192895448. Its totient is φ = 1398673146600.

The previous prime is 1402433020993. The next prime is 1402433021029. The reversal of 1402433021023 is 3201203342041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402433021023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402433021029) 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, 1879936653 + ... + 1879937398.

It is an arithmetic number, because the mean of its divisors is an integer number (351548223862).

Almost surely, 2^{1402433021023} is an apocalyptic number.

1402433021023 is a deficient number, since it is larger than the sum of its proper divisors (3759874425).

1402433021023 is an equidigital number, since it uses as much as digits as its factorization.

1402433021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759874424.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1402433021023 its reverse (3201203342041), we get a palindrome (4603636363064).

The spelling of 1402433021023 in words is "one trillion, four hundred two billion, four hundred thirty-three million, twenty-one thousand, twenty-three".