1023032156403 has 8 divisors (see below), whose sum is σ = 1366016890816. Its totient is φ = 681034429800.

The previous prime is 1023032156347. The next prime is 1023032156441. The reversal of 1023032156403 is 3046512303201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023032156403 - 2¹⁶ = 1023032090867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023032156453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246749533 + ... + 246753678.

It is an arithmetic number, because the mean of its divisors is an integer number (170752111352).

Almost surely, 2^{1023032156403} is an apocalyptic number.

1023032156403 is a deficient number, since it is larger than the sum of its proper divisors (342984734413).

1023032156403 is an equidigital number, since it uses as much as digits as its factorization.

1023032156403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493503905.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1023032156403 its reverse (3046512303201), we get a palindrome (4069544459604).

The spelling of 1023032156403 in words is "one trillion, twenty-three billion, thirty-two million, one hundred fifty-six thousand, four hundred three".