1420661623263 has 8 divisors (see below), whose sum is σ = 1902487182000. Its totient is φ = 942971906688.

The previous prime is 1420661623223. The next prime is 1420661623267. The reversal of 1420661623263 is 3623261660241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420661623263 - 2¹³ = 1420661615071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420661623267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033959738 + ... + 1033961111.

It is an arithmetic number, because the mean of its divisors is an integer number (237810897750).

Almost surely, 2^{1420661623263} is an apocalyptic number.

1420661623263 is a deficient number, since it is larger than the sum of its proper divisors (481825558737).

1420661623263 is a wasteful number, since it uses less digits than its factorization.

1420661623263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067921081.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1420661623263 in words is "one trillion, four hundred twenty billion, six hundred sixty-one million, six hundred twenty-three thousand, two hundred sixty-three".