1521453023 has 2 divisors, whose sum is σ = 1521453024. Its totient is φ = 1521453022.

The previous prime is 1521452993. The next prime is 1521453049. The reversal of 1521453023 is 3203541251.

It is a happy number.

It is an a-pointer prime, because the next prime (1521453049) can be obtained adding 1521453023 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1521453023 - 2²⁰ = 1520404447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1521452983 and 1521453001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1521453053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760726511 + 760726512.

It is an arithmetic number, because the mean of its divisors is an integer number (760726512).

Almost surely, 2^1521453023 is an apocalyptic number.

1521453023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521453023 is an equidigital number, since it uses as much as digits as its factorization.

1521453023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1521453023 is about 39005.8075547732. The cubic root of 1521453023 is about 1150.1456710240.

Adding to 1521453023 its reverse (3203541251), we get a palindrome (4724994274).

The spelling of 1521453023 in words is "one billion, five hundred twenty-one million, four hundred fifty-three thousand, twenty-three".