1402003423123 has 4 divisors (see below), whose sum is σ = 1407064807600. Its totient is φ = 1396942038648.

The previous prime is 1402003423109. The next prime is 1402003423127. The reversal of 1402003423123 is 3213243002041.

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-1402003423123 is a prime.

It is a super-2 number, since 2×1402003423123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402003423127) 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, 2530691823 + ... + 2530692376.

It is an arithmetic number, because the mean of its divisors is an integer number (351766201900).

Almost surely, 2^{1402003423123} is an apocalyptic number.

1402003423123 is a deficient number, since it is larger than the sum of its proper divisors (5061384477).

1402003423123 is an equidigital number, since it uses as much as digits as its factorization.

1402003423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061384476.

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

Adding to 1402003423123 its reverse (3213243002041), we get a palindrome (4615246425164).

The spelling of 1402003423123 in words is "one trillion, four hundred two billion, three million, four hundred twenty-three thousand, one hundred twenty-three".