2251233122403 has 32 divisors (see below), whose sum is σ = 3069849167872. Its totient is φ = 1467053596800.

The previous prime is 2251233122399. The next prime is 2251233122419. The reversal of 2251233122403 is 3042213321522.

It is not a de Polignac number, because 2251233122403 - 2² = 2251233122399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251233122443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19631250 + ... + 19745592.

It is an arithmetic number, because the mean of its divisors is an integer number (95932786496).

Almost surely, 2^{2251233122403} is an apocalyptic number.

2251233122403 is a deficient number, since it is larger than the sum of its proper divisors (818616045469).

2251233122403 is a wasteful number, since it uses less digits than its factorization.

2251233122403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115075.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 2251233122403 its reverse (3042213321522), we get a palindrome (5293446443925).

The spelling of 2251233122403 in words is "two trillion, two hundred fifty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, four hundred three".