1144023401 has 2 divisors, whose sum is σ = 1144023402. Its totient is φ = 1144023400.

The previous prime is 1144023389. The next prime is 1144023409. The reversal of 1144023401 is 1043204411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600201001 + 543822400 = 24499^2 + 23320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144023401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144023409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572011700 + 572011701.

It is an arithmetic number, because the mean of its divisors is an integer number (572011701).

Almost surely, 2^1144023401 is an apocalyptic number.

It is an amenable number.

1144023401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144023401 is an equidigital number, since it uses as much as digits as its factorization.

1144023401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144023401 is about 33823.4149813410. The cubic root of 1144023401 is about 1045.8714375003.

Adding to 1144023401 its reverse (1043204411), we get a palindrome (2187227812).

The spelling of 1144023401 in words is "one billion, one hundred forty-four million, twenty-three thousand, four hundred one".