1403023442123 has 4 divisors (see below), whose sum is σ = 1403033024400. Its totient is φ = 1403013859848.

The previous prime is 1403023442113. The next prime is 1403023442131. The reversal of 1403023442123 is 3212443203041.

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

It is a cyclic number.

It is not a de Polignac number, because 1403023442123 - 2¹² = 1403023438027 is a prime.

It is a super-2 number, since 2×1403023442123² (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 (1403023442113) 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, 4568048 + ... + 4865501.

It is an arithmetic number, because the mean of its divisors is an integer number (350758256100).

Almost surely, 2^{1403023442123} is an apocalyptic number.

1403023442123 is a deficient number, since it is larger than the sum of its proper divisors (9582277).

1403023442123 is an equidigital number, since it uses as much as digits as its factorization.

1403023442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582276.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1403023442123 its reverse (3212443203041), we get a palindrome (4615466645164).

The spelling of 1403023442123 in words is "one trillion, four hundred three billion, twenty-three million, four hundred forty-two thousand, one hundred twenty-three".