1225451323 has 2 divisors, whose sum is σ = 1225451324. Its totient is φ = 1225451322.

The previous prime is 1225451233. The next prime is 1225451327. The reversal of 1225451323 is 3231545221.

Together with previous prime (1225451233) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225451323 - 2¹⁷ = 1225320251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225451291 and 1225451300.

It is not a weakly prime, because it can be changed into another prime (1225451327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612725661 + 612725662.

It is an arithmetic number, because the mean of its divisors is an integer number (612725662).

Almost surely, 2^1225451323 is an apocalyptic number.

1225451323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225451323 is an equidigital number, since it uses as much as digits as its factorization.

1225451323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 1225451323 is about 35006.4468776824. The cubic root of 1225451323 is about 1070.1188685014.

Adding to 1225451323 its reverse (3231545221), we get a palindrome (4456996544).

The spelling of 1225451323 in words is "one billion, two hundred twenty-five million, four hundred fifty-one thousand, three hundred twenty-three".