233247403 has 2 divisors, whose sum is σ = 233247404. Its totient is φ = 233247402.

The previous prime is 233247389. The next prime is 233247407. The reversal of 233247403 is 304742332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233247403 is a prime.

It is a super-4 number, since 4×233247403⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (233247407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116623701 + 116623702.

It is an arithmetic number, because the mean of its divisors is an integer number (116623702).

Almost surely, 2^233247403 is an apocalyptic number.

233247403 is a deficient number, since it is larger than the sum of its proper divisors (1).

233247403 is an equidigital number, since it uses as much as digits as its factorization.

233247403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 233247403 is about 15272.4393271016. The cubic root of 233247403 is about 615.5626665843.

Adding to 233247403 its reverse (304742332), we get a palindrome (537989735).

It can be divided in two parts, 23 and 3247403, that added together give a triangular number (3247426 = T₂₅₄₈).

The spelling of 233247403 in words is "two hundred thirty-three million, two hundred forty-seven thousand, four hundred three".